Every term, explained plainly.
A working glossary of the words you'll hear on a casino floor, in a surveillance room, in a pit meeting, and across an analytics dashboard — with definitions written for humans, not for SEO.
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Casino Math, Odds & Betting Systems
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58 terms
A
- Action Action is the total amount of money wagered over repeated bets, hands, spins, rolls, or decisions.
- Actual Loss Actual Loss is the real amount a player lost during recorded gambling activity, separate from the casino's theoretical expectation.
- Actual Win Actual win is the real casino win after play is settled, before comparing it with what the math expected.
- ADT ADT stands for Average Daily Theoretical, the casino's estimate of a player's average expected loss per rated day.
- Advantage Play
- Age Verification Age verification is the process of confirming that a customer has reached the legal gambling age before access or play is allowed.
- All Tall Small All Tall Small is a craps bonus family that pays when specified dice totals appear before the next 7.
- American Roulette American roulette is the double-zero roulette game with 38 pockets: numbers 1–36, 0, and 00.
- Announced Bet An announced bet is a funded verbal roulette instruction accepted under house procedure before betting closes.
- Ante An ante is a compulsory starting contribution or entry wager paid before cards are dealt or before the first voluntary decision.
- Anti-Money Laundering Anti-money laundering means controls used to detect, report, and reduce suspicious financial activity through the casino.
- Arbitrage Arbitrage betting covers every possible outcome at prices that produce a positive equalized return if all wagers are accepted and settled as expected.
- Automatic Shuffler An automatic shuffler is an approved casino device that mechanically randomizes one deck or batch of cards for use in a live table game.
- Availability Bias Availability bias is judging frequency or probability by how easily vivid examples come to mind instead of using the full evidence.
- Average Bet Average bet is the casino’s estimate of a player’s normal wager size during a rated session.
- Average Daily Theo Average Daily Theo is common casino shorthand for Average Daily Theoretical, meaning expected player value per rated day.
- Average Daily Theoretical Average Daily Theoretical is a casino's estimate of a player's average expected loss per rated gambling day.
B
- Baccarat Baccarat is a casino card game where players bet on whether the Banker hand, Player hand, or Tie will finish closest to nine.
- Baccarat Pair Bet A baccarat pair bet is a side wager on whether the first two cards of the Player hand, Banker hand, or either hand have the same rank.
- Back Off A back off is when a casino tells a player to stop playing a game, often because the play creates unacceptable casino risk.
- Backoff Backoff is an alternate spelling of back off, when a casino tells a player to stop a game or type of action.
- Backroom A backroom is a restricted, non-public casino work area used for security, surveillance, management, cash control, records, or other operational activity.
- Bad Beat Bonus A Bad Beat Bonus is a fixed or progressive award paid when a qualifying strong hand loses to a stronger hand under the posted rules.
- Bad Debt Bad debt is casino credit or markers that are not collected as expected and may become a financial loss or collection problem.
- Ban A casino ban is a documented restriction on entry, play, or services whose scope and legal effect depend on who imposed it and under what authority.
- Banker Bet The Banker Bet is a baccarat wager that wins when the Banker hand finishes closer to nine than the Player hand.
- Banker Commission Banker commission is the fee taken from a winning Banker Bet, commonly 5% of the win in traditional baccarat.
- Bankroll A bankroll is the gambling money set aside for play, separate from bills, savings, and money needed outside the casino.
- Bankroll Management
- Barrings Barrings are casino restrictions that bar a person from entering, playing, or remaining on a property.
- Basic Strategy Basic strategy is the mathematically best standard blackjack play for a given player hand, dealer upcard, and rule set.
- Bead Plate A bead plate is a baccarat scoreboard that records each hand result in chronological order.
- Bet Sizing Bet sizing is the decision of how much money to wager on each play, hand, spin, roll, or betting round.
- Betting Spread A betting spread is the range between a player’s smallest regular wager and largest regular wager.
- Big Eye Boy Big Eye Boy is a derived baccarat road that converts structural comparisons in the Big Road into red or blue hollow circles; the colors do not directly mean Banker or Player.
- Big Road Big Road is the main baccarat scoreboard chart that organizes Banker and Player wins into columns so streaks and changes are easy to see.
- Blackbook Blackbook is casino slang for an exclusion list of people barred from casinos by property, company, or regulator action.
- Blackjack Blackjack is a casino card game where the player tries to beat the dealer’s hand without exceeding 21.
- Blazing 7s Blazing 7s is a blackjack side bet that pays for sevens in the player's first cards and may include a progressive jackpot for rare seven combinations.
- Blind A blind is a forced wager posted before cards are dealt, usually because of a player’s seat position.
- Bonus Abuse Bonus abuse means using promotions, bonuses, or offers in a way the casino considers outside the posted terms or intended use.
- Bonus Bet A bonus bet is an optional wager or promotional credit tied to special outcomes, features, or restricted betting terms.
- Bonus Feature A bonus feature is a special game mode or mechanic whose trigger and awards are included in the approved game rules and mathematics.
- Bonus Hunting Bonus hunting means selectively pursuing casino promotions or persistent game states that may offer better value than ordinary play.
- Bonus Round A bonus round is a special slot-game mode triggered under defined rules, often involving free spins, picks, multipliers, respins, or jackpot chances.
- Bonus Spin Bonus Spin is a side-bet feature that can trigger a wheel, bonus award, or special payout from a separate table-game wager.
- Break It Down “Break it down” is a request to exchange a larger casino chip for equal value in smaller denominations.
- Burn Card A burn card is a card removed from play, usually at the start of a baccarat shoe, before normal dealing begins.
- Bust In blackjack, bust means a hand total has exceeded 21. A player bust normally loses immediately, while a dealer bust pays all surviving player hands.
- Buster Blackjack Buster Blackjack is an optional blackjack side bet that wins when the dealer busts and usually pays more for a bust made with more cards.
- Buy Bet A buy bet is a craps wager where the player pays a commission to receive true-odds-style payout pricing on certain numbers.
- Buy-In A buy-in is the value a player exchanges for casino chips before or during a table-game session.
C
- C&E Bet A C&E bet is a one-roll craps wager split between craps numbers and eleven.
- Cage The cage is the secure casino finance area where chips, cash, vouchers, credit, and payouts are processed and controlled.
- Cage Cashier A cage cashier is a casino finance employee who processes chips, cash, tickets, approved credit documents, identification checks, and controlled payouts.
- Call Bet A call bet is a roulette bet requested verbally, often using a named European bet, subject to house rules and required coverage.
- Camera Coverage Camera coverage means the casino areas, angles, and level of detail captured by surveillance cameras for monitoring and review.
- Candle A casino candle is the visible tower light on a slot machine that alerts staff to a payout, service request, error, or other machine condition.
- Card Counting Card counting is tracking dealt cards in blackjack to estimate whether the remaining cards favor the player or the dealer.
- Cash Desk Cash desk is a casino term for the cashier or cage area where players buy chips, cash out, exchange currency, and process money transactions.
- Cash Plays Cash Plays means cash may be accepted as a table-game wager under specific house rules and controls.
- Cashless System A cashless system is casino technology that lets approved funds move between accounts, games, kiosks, and cashout points without constant cash handling.
- Casino Host A casino host is a player-development employee who manages selected customer relationships and coordinates offers, comps, reservations, and service within casino policy.
- Casino Mailer A casino mailer is a targeted promotional message—postal or digital—containing offers selected for a player segment or account.
- Casino Management System Casino Management System is a casino term explained in plain English for players and curious readers.
- Casino Manager A casino manager is a senior operations leader accountable for coordinated gaming performance, staffing, controls, service, risk, and major escalations.
- Central Credit Central credit is a casino credit-information function used to check player credit, markers, payment history, and credit risk.
- Chasing Chasing means extending or increasing gambling because of earlier losses, wins, frustration, pride, or a need to regain control.
- Chasing Losses Chasing losses means continuing, increasing, or changing gambling primarily to win back money already lost, often after the original limit or plan has been abandoned.
- Cheque Change Cheque Change means exchanging casino chips into different denominations at a table for easier betting, paying, or coloring up.
- Chip Bank A chip bank is the controlled casino inventory where chips are stored, issued, redeemed, tracked, and reconciled.
- Chip Rack A chip rack is the organized row structure that holds casino chips by denomination inside a table-game tray.
- Chip Tray A chip tray is the controlled container at a live table game where the dealer keeps the table's working chips.
- Churn Churn is the repeated cycling of the same money through wagers, turning one bankroll into much larger total action.
- Closer A closer is an informal label for the person trusted to finish an operational or customer-facing task accurately.
- CMS CMS usually means casino management system: the technology used to record and manage gaming, player, loyalty, accounting, and operational activity.
- Cockroach Pig Cockroach Pig is the third baccarat derived road, using red and blue diagonal marks generated from the structure of the Big Road rather than direct Banker or Player results.
- Cockroach Road Cockroach Road is a derived baccarat scoreboard road, often shown with slash marks and also commonly called Cockroach Pig.
- Coin Out Coin out is the metered value of credits awarded or paid by an electronic gaming device under the approved game and accounting rules; it is not automatically the same as cash physically withdrawn.
- Coin-In Coin-in is the total amount wagered through a slot machine or electronic gaming device over a measured period.
- Cold Streak A cold streak is a period in which a player, bet, table, team, or machine produces an unusually unfavorable cluster of short-term results.
- Color Up Color up means exchanging smaller-denomination casino chips for fewer higher-denomination chips of the same total value.
- Column Bet A column bet is a roulette outside wager covering one of the three 12-number columns on the betting layout.
- Come Bet A Come Bet is a craps wager made after the come-out roll that works like a new Pass Line bet with its own come point.
- Come-Out Roll The come-out roll is the first roll of a craps round, before the point is established.
- Commission Commission is the approved deduction, commonly 5%, from winning Banker profit in traditional baccarat.
- Commission Vig Commission or vig is an operator charge collected directly or embedded in the payout or price of a wager.
- Community Cards Community cards are shared face-up cards that all players may use to make a poker hand.
- Comp A comp is a casino-provided perk, such as food, rooms, free play, or tickets, usually tied to a player’s expected gambling value.
- Comp Dollars Comp dollars are casino-issued comp balances redeemable for approved benefits such as food, rooms, or amenities under program rules.
- Comp Reinvestment Comp reinvestment is the controlled return of part of a player’s expected casino value through rewards, offers, services, or loyalty benefits.
- Comp System A comp system is the casino software and rule structure used to track play, estimate value, and issue player rewards.
- Comp Value Comp Value is the estimated worth of casino rewards given back to a player based on expected play, actual play, or host judgment.
- Complete Bet A complete bet covers every qualifying inside-bet position connected to a selected roulette number.
- Comps Comps are complimentary casino benefits—such as rooms, food, free play, events, gifts, or transportation—issued under a loyalty, marketing, host, or service policy.
- Confidence Interval A confidence interval is a range calculated from sample data that expresses uncertainty around an estimate such as a mean, proportion, hold rate, or observed RTP.
- Confirmation Bias Confirmation bias is the tendency to notice evidence that supports your belief and ignore evidence that challenges it.
- Continuous Shuffler Continuous shuffler is the common shorthand for a continuous shuffling machine used to keep cards cycling during table-game play.
- Continuous Shuffling Machine A continuous shuffling machine is a device that can repeatedly mix cards during play instead of waiting for a full shoe to end.
- Cooling-Off Period A cooling-off period is a delay or temporary break used before certain gambling actions or limit increases can take effect.
- Corner Bet A corner bet is a roulette inside wager covering four contiguous numbers that meet at one common point on the layout.
- Count Room A restricted casino room where gaming drop contents are counted, verified, reconciled, and transferred into controlled financial records.
- Counterfeit Detection Counterfeit detection is the controlled process casinos use to identify and isolate suspected fake currency, chips, tickets, or documents.
- Cover Play Cover play is behavior meant to make blackjack advantage play appear less obvious to casino staff.
- Craps Craps is a casino game in which wagers are resolved by the totals and combinations produced by two dice.
- Credit Credit in a casino means either approved gambling credit for a player or recorded value returned from a table to the cage.
- Credit Line A casino credit line is an approved limit that allows a player to draw funds through markers instead of bringing cash each time.
- Credit Slip A credit slip is the controlled table-game record for chips, tokens, or plaques removed from a live table and returned to the cage.
- Credit Slip vs Fill Slip A credit slip records chips leaving a table; a fill slip records chips being added to a table.
- Croupier A croupier is a casino dealer, especially at roulette, who runs the game, controls chips, settles bets, and follows table procedure.
- Currency Counter A currency counter is a machine used by casino staff to count, sort, batch, verify, and sometimes flag suspect banknotes.
- Currency Exchange Currency exchange is the casino process of converting one currency into another through the cage or cash desk under set rates and controls.
- Currency Transaction Report A Currency Transaction Report is a compliance report for certain large casino cash transactions, especially under U.S. AML rules.
- Customer Due Diligence Customer due diligence means checks used to understand a gambling customer’s identity, risk level, funds, and activity.
- Cut Card A cut card is a plastic marker placed in a shoe to show where dealing should stop or when the shoe is near its end.
- Cycle In casino language, a cycle is a repeated mathematical or operational pattern, but it does not mean an outcome is due to happen next.
D
- Dealer A dealer is the casino employee assigned to operate a live table game and handle cards, chips, payouts, and game procedure.
- Dealer Bust Bonus Dealer Bust Bonus is a general blackjack side-bet category that pays when the dealer busts, with awards defined by the posted paytable.
- Dealer Envy Bonus Dealer Envy Bonus is a side-bet feature where the dealer may receive a bonus award when a player hits a qualifying result.
- Dealer Qualifies Dealer qualifies means the dealer hand reaches the minimum rank needed for normal comparison and payout rules.
- Dealer Rotation
- Decisions Per Hour Decisions per hour means the number of separate bet outcomes a player faces in one hour of play.
- Deck Penetration Deck penetration is the percentage of a blackjack deck or shoe dealt before the cards are shuffled again.
- Denomination Denomination is the cash value assigned to one credit on a slot machine, video poker game, or other electronic gaming device.
- Deposit Limit A deposit limit is a gambling-account control that caps how much new money a player can pay into the account during a specified period.
- Deuces Wild Deuces Wild is a video poker game where all twos are wild cards and can stand in for other ranks or suits.
- Digital Wallet A casino digital wallet is an electronic account or application used to hold or transfer approved payment or wagering value within a regulated gambling ecosystem.
- Discard Rack A discard rack is table equipment used to hold played cards after they are removed from the active round or shoe.
- Discard Tray A discard tray is a table-game holder used to collect cards that have already been played or removed from active use.
- Discretionary Comp A discretionary comp is a casino benefit a host or manager may approve based on player value, trip context, relationship, or service recovery.
- Distribution
- Don’t Pass Don’t Pass is a craps line bet that opposes the shooter after a point is set: 2 or 3 wins, 7 or 11 loses, 12 pushes, and 7 must roll before the point for the bet to win.
- Dopamine Dopamine is a neurotransmitter involved in movement, motivation, learning, and reward prediction; it is not simply a chemical measure of pleasure or happiness.
- Double Down To double down is to add an extra blackjack wager after the first two cards in exchange for receiving exactly one additional card.
- Double Zero Double zero is the green 00 pocket on American roulette that adds another losing result to most standard bets.
- Dozen Bet A dozen bet is a roulette outside wager covering 1–12, 13–24, or 25–36 and normally paying 2 to 1.
- Dragon 7 Dragon 7 is an EZ Baccarat side bet that wins when Banker beats Player with exactly three cards totaling 7.
- Dragon Bonus Dragon Bonus is a baccarat side bet that pays for certain winning hands, often based on naturals or the margin of victory.
- Dragon Tail Dragon Tail is a baccarat Big Road shape created when one side keeps winning after the display column runs downward and bends right.
- Draw Poker Draw poker is a poker format where cards are dealt first, then the player discards unwanted cards and draws replacements.
- Drop Drop is the money and other approved value collected in a casino game’s drop box, plus qualifying electronic transfers into the game where applicable.
- Drop and Handle Drop and handle compare money entering a casino game with the total amount wagered through that game.
- Drop Box A locked container at a casino table that receives currency and controlled transaction records for later removal, count, and reconciliation.
- Drop Schedule A drop schedule is the planned timetable for collecting casino drop boxes, cash boxes, or controlled revenue containers for counting.
E
- Edge Edge is the mathematical advantage one side has on a bet, usually shown as a percentage.
- Edge Sorting
- En Prison En Prison is a roulette rule that locks an even-money bet for one more spin after zero lands.
- Enhanced Due Diligence Enhanced due diligence is a deeper risk-based review used when a casino customer, transaction, or relationship presents higher compliance risk.
- Envy Bonus An envy bonus pays eligible side-bet players when another player at the table hits a specified high-ranking hand.
- European Roulette European roulette is the single-zero roulette game with 37 pockets: numbers 1–36 and 0.
- Even Money Even money means a 1-to-1 profit payout: a winning wager earns profit equal to the amount staked, although the chance of winning may be less than 50%.
- Even Money Bet An even money bet is a roulette wager that pays 1 to 1, such as red/black, odd/even, or high/low.
- Excluded Person An excluded person is someone formally restricted from gambling, casino entry, or both under a defined authority or program.
- Exclusion List An exclusion list is a record used by casinos or regulators to identify people who are barred or restricted from gambling access.
- Expected Hold Expected hold is the amount or percentage a casino expects to retain from play based on long-run game math.
- Expected Loss Expected loss is the average amount a player is mathematically expected to lose based on total wagering and house edge.
- Expected Value Expected value is the probability-weighted average of all possible net results of a decision.
- Eye in the Sky Eye in the sky is casino slang for the surveillance camera system and the people who monitor casino activity from above.
F
- Fairness Certification Fairness certification is independent testing that checks whether a gaming device or system meets required technical standards.
- Fill A fill is a controlled transfer of gaming chips from the casino cage to a table when the table needs additional working inventory.
- Fill Slip A fill slip is the casino record used to document chips added from the cage to a specific table game.
- Fills and Credits Fills and credits are controlled chip movements: fills add chips to a table, while credits remove chips from a table.
- Final Bet A final bet is a group of roulette straight-up wagers on numbers that share the same last digit.
- Fire Bet The Fire Bet is a craps side bet that pays when a shooter makes multiple different points before rolling a seven-out.
- Five of a Kind Five of a kind is five cards treated as the same rank, usually possible only when wild cards are part of the game.
- Flat Betting
- Float Float is the working cash, chip, or value fund assigned to a casino cashier, table, department, or operation for a shift.
- Floor Layout
- Floor Optimization Floor optimization is the process of improving casino layout, game mix, placement, and operating hours to increase useful performance.
- Floor Supervisor A floor supervisor is a table-games supervisor who watches dealers, handles disputes, tracks ratings, and keeps table procedure under control.
- Floorperson A floorperson is a table-games supervisor assigned to watch dealers, players, ratings, disputes, and procedure on the casino floor.
- Flush A flush is a five-card poker hand in which all five cards share one suit; in standard rankings it beats a straight and loses to a full house.
- Fold To fold is to give up a hand and stop competing for the pot or payout, usually losing money already wagered.
- Fortune Bonus Fortune Bonus is a Pai Gow Poker side bet that pays according to the strength of the player's seven-card hand, separate from hand setting.
- Four of a Kind Four of a kind is a five-card poker hand containing all four cards of one rank plus one unrelated card.
- Free Play Free play is restricted promotional wagering credit. It normally must be played and cannot be withdrawn at face value like cash.
- Free Spin A free spin is one slot spin awarded without taking the usual stake from the player’s balance.
- Free Spins Free spins are slot plays that do not deduct the normal stake at the moment of the spin, usually because of a game feature or promotion.
- Front Money Front money is cash or approved funds a player deposits with a casino before play, then draws against for chips or casino activity.
- Full House A full house is a five-card poker hand made of three cards of one rank plus a pair of another rank.
- Full-Pay Full-pay describes a recognized high-return paytable for a particular video poker game, not a promise that the player will win.
G
- Gambler Fallacy Gambler Fallacy is an alternate wording for Gambler’s Fallacy: the mistaken belief that past random results make a future result due.
- Gambler’s Fallacy Gambler’s Fallacy is the mistaken belief that an independent random outcome becomes more likely because it has not appeared recently.
- Gambling Helpline A gambling helpline is a support service that connects people affected by gambling harm with information, counseling routes, or local referrals.
- Game Mix Game mix is the combination of casino games offered on the floor or online and how that blend supports revenue, risk, and player demand.
- Game Protection Game protection is the casino’s system for protecting games from mistakes, cheating, weak procedures, disputes, and avoidable losses.
- Game Speed Game speed is how quickly a casino game produces betting decisions, hands, spins, or rounds.
- Game Weighting Game weighting is the importance assigned to each casino game category based on win, space, labor, risk, demand, and strategic value.
- Gaming Control Board A gaming control board is a gambling regulator that oversees licensing, rules, enforcement, and casino compliance.
- Gross Gaming Revenue Gross gaming revenue is gaming revenue from wagers after player winnings are paid, before many costs and deductions.
H
- H17 H17 means the blackjack dealer must hit a soft 17 rather than stand.
- H17 S17 H17 S17 is the blackjack comparison between a dealer hitting soft 17 and standing on soft 17.
- Hand A hand is the cards or single playable result used to decide a wager in a card-based casino game.
- Hand-Held Game A hand-held game is a live card game in which the dealer holds the cards and deals from the hand instead of from a shoe.
- Handle Handle is the total amount wagered by players over a period, regardless of how much the casino wins.
- Handpay A handpay is a slot or machine payout that requires casino staff to verify and pay the player manually.
- Hands Per Hour Hands per hour means the number of completed card-game hands a player or table plays in one hour.
- Hard Count Hard count is the controlled casino count of coins, tokens, or other hard gaming assets, followed by reconciliation to collection and machine records.
- Hard Hand A hard hand is a blackjack hand with no ace currently counted as 11; it may contain no ace, or an ace that must count as 1 to avoid busting.
- Hard Total A hard total is a blackjack total with no ace counted as 11, so taking another card can bust the hand more easily.
- Hardway Hardway means a craps total made with matching dice, such as 2-2 for hard 4 or 4-4 for hard 8.
- Hardway Bet A hardway bet is a craps wager that a hard 4, 6, 8, or 10 rolls before a 7 or before that number appears the easy way.
- Heat Heat is extra attention from casino staff or surveillance when a player’s action looks unusual, risky, or advantage-based.
- Hedging Hedging is placing an additional wager that offsets part or all of an existing bet's risk, reducing variance while usually sacrificing expected value or potential profit.
- Hi-Lo System The Hi-Lo system is a blackjack card counting method that assigns simple tags to cards to estimate shoe strength.
- High Card High Card is the lowest standard poker category: a hand with no pair, straight, flush, or stronger combination.
- High Denomination Area A high denomination area is a slot-floor zone built around higher-credit-value machines and larger average bets.
- High Limit Room A high limit room is a casino area with larger betting limits, stronger service, and closer tracking of player value and risk.
- High Pair A high pair is a pair of jacks, queens, kings, or aces, usually the lowest paying hand in Jacks or Better video poker.
- High Roller A high roller is a casino player whose betting level and expected value are high enough to attract special attention, service, or benefits.
- High/Low Bet A High/Low bet is a 1:1 roulette outside wager on 1–18 or 19–36 that loses when zero, double zero, or triple zero lands.
- Hit Frequency Hit frequency is how often a game produces a winning result, regardless of whether the win is small, large, or less than the bet.
- Hold Hold is the amount or share of wagering money the casino keeps after paying winning players.
- Hold Adjustment Hold adjustment is a reporting correction or normalization used to explain why actual casino hold differs from the clean expected number.
- Hold Percentage Hold percentage is the share of drop, handle, or coin-in that the casino retains as gaming win.
- Hold/Draw Hold/draw is the video poker step where the player keeps selected cards and replaces the others to form the final hand.
- Hole Card A hole card is a face-down card kept hidden during play, most commonly the dealer’s second card in American-style blackjack.
- Hop Bet A hop bet is a one-roll craps wager that the next roll will show a named two-dice combination, such as 3-3 or 4-2.
- Horn Bet A horn bet is a one-roll craps wager divided across 2, 3, 11, and 12.
- Host In casino language, a host is a casino employee who manages selected player relationships and helps arrange comps and VIP service.
- Hot Streak A hot streak is a short run of favorable gambling results. It is real as recent history but usually has no predictive power.
- House Advantage House advantage is the casino’s expected average gain per unit wagered under a game’s stated rules and payouts.
- House Edge House edge is the casino's long-run mathematical advantage on a wager, shown as a percentage of the amount bet.
- House Win House win is the gaming amount the casino keeps after paying winning bets, before wider costs and adjustments.
I
- Illusion of Control Illusion of control is the tendency to overestimate how much personal action can influence an outcome governed mainly or entirely by chance.
- Implied Odds
- Independent Event Events are independent when the occurrence of one does not change the probability of the other.
- Inside Bet An inside bet is a roulette wager placed on the number-grid area, usually covering one to six specific numbers.
- Inside Straight An inside straight is a straight draw that needs one specific missing rank in the middle of the sequence.
- Insurance Insurance is a blackjack side bet that wins if the dealer has a natural blackjack after showing an ace.
- Intermittent Reward Intermittent reward means reinforcement occurs only on some occasions, often unpredictably, which can sustain behavior even through many unrewarded attempts.
J
- Jackpot A jackpot is a defined top or premium prize paid when the game’s stated qualifying condition is met.
- Jackpot Handpay A jackpot handpay is a jackpot-level machine payout that requires staff verification and manual payment before play can continue.
- Jacks or Better Jacks or Better is a video poker game where a pair of jacks or higher is the lowest paying hand.
K
- Kicker A kicker is an extra card that helps break a tie or triggers a special payout in some poker and video poker games.
- Know Your Customer Know Your Customer is the identity-verification process used to confirm who a gambling customer is and manage compliance risk.
- KYC KYC means Know Your Customer, the process of checking a player’s identity for compliance, safety, and account control.
L
- La Partage La Partage is a roulette rule that returns half of an eligible even-money stake when the ball lands on zero.
- Law of Large Numbers The law of large numbers says that the average of many comparable random trials tends toward their expected value as the sample grows.
- Lay Bet A lay bet is a standalone craps wager that 7 will roll before a selected box number, usually with a commission charged under house rules.
- Lifetime Loss Lifetime loss is the total net amount a player has lost over time, either across all gambling activity or within a specific casino account.
- Limit
- Line Bet A line bet is a core craps contract wager that begins with a come-out-style roll and then follows a point-versus-7 decision.
- Long Run The long run is a large number of repeated decisions where results tend to reflect the underlying probabilities more closely.
- Loss Aversion Loss aversion is the tendency to give a loss more psychological weight than a comparable gain, especially relative to a personal reference point such as break-even.
- Loss Limit A loss limit is a pre-set maximum net gambling loss for a session or time period, after which play should stop.
- Loss Rate Loss rate is expected loss measured against time or play volume, such as dollars per hour, based on total action and the effective house edge.
- Loss Rebate A loss rebate is an offer that returns a stated portion of a casino-defined qualifying net loss, subject to a measurement period, exclusions, caps, and payment rules.
- Losses Disguised as Wins Losses disguised as wins are payouts smaller than the bet that are presented like wins, even though the player is down on that play.
- Low Denomination Area A low denomination area is a slot-floor zone built around lower credit values such as pennies, nickels, dimes, or quarters.
- Low Pair A low pair is a pair below the game’s paying-pair threshold, usually 2s through 10s in Jacks or Better video poker.
- Lucky Ladies Lucky Ladies is an optional blackjack side bet that normally wins when the player’s first two cards total 20, with premium payouts for specified card combinations.
- Lucky Lucky Lucky Lucky is a blackjack side bet based on the player's first two cards plus the dealer's upcard, usually paying on totals of 19, 20, 21, 6-7-8, or 7-7-7.
M
- Machine Utilization Machine utilization measures how actively a slot machine is played compared with the time it is available for play.
- Magical Thinking Magical thinking in gambling is believing that thoughts, rituals, objects, or unrelated actions can influence an outcome without a real causal mechanism.
- Manual Shuffle
- Marked Cards Marked cards are playing cards that can be identified from information that should not reveal their hidden rank or suit.
- Marker A marker is a signed casino credit document showing that a player has drawn funds and owes repayment.
- Marker Collection Marker collection is the controlled process casinos use to track, settle, and resolve unpaid casino marker balances.
- Martingale System The Martingale doubles the next wager after every loss, creating many small recovered sequences and occasional losses large enough to erase them.
- Match the Dealer Match the Dealer is a side bet that pays when one or both of the player's first cards match the dealer's upcard by rank, sometimes with a suit bonus.
- Max Bet Max bet is the largest allowed wager for a game, betting spot, hand, payline, or machine play.
- Max Coins Max coins means wagering the full coin count on a video poker hand, commonly five coins, often to qualify for the full royal-flush award.
- Maximum Bet A maximum bet is the highest amount a casino will accept on a particular wager under the posted or approved rules.
- Meter Reading Meter reading is the collection or review of slot machine meter data for accounting, audit, reconciliation, and performance analysis.
- Mini Baccarat Mini Baccarat is a smaller, faster baccarat format where the dealer handles the cards and players bet on Banker, Player, or Tie.
- Minimum Bet A minimum bet is the smallest amount a casino accepts on a specific game, wager, betting area, or required component of a round.
- Monte Carlo Simulation Monte Carlo simulation uses many random trials to estimate casino outcomes such as EV, RTP, variance, streaks, and bankroll risk.
- Multi-Line Slots Multi-line slots evaluate several paylines or winning patterns from one spin, with total cost determined by the game’s wager structure.
- Multiplier A multiplier increases a qualifying casino-game payout by a stated factor under the game’s specific rules.
N
- Natural A natural is a qualifying two-card opening hand: an ace plus a ten-value card in blackjack, or a two-card total of 8 or 9 in baccarat.
- Near Miss A near miss is a losing result that appears close to a win, such as two jackpot symbols and a third just off the payline.
- Near Miss Effect The near miss effect is when a losing outcome that looks close to winning feels motivating and can encourage continued play.
- Negative Expectation Negative expectation means a decision loses money on average when the same conditions are repeated enough times.
- Neighbor Bet A neighbor bet covers a selected roulette number plus a set number of numbers beside it on the wheel.
- Net Gaming Revenue Net gaming revenue is gross gaming revenue after selected gaming-related deductions are removed.
- Net Income Net income is profit after a casino deducts operating costs, taxes, interest, and other business expenses.
- Net Win Net win is the casino's gambling win after payouts and certain adjustments, depending on the reporting context.
- No Mail List A No Mail List is a casino suppression list that stops or limits marketing offers, mailers, emails, texts, or host contact.
- No Mid-Shoe Entry No Mid-Shoe Entry means new players cannot join a baccarat shoe after the shoe has already started.
- Non-Discretionary Comp A non-discretionary comp is a casino benefit issued under a predefined earning or eligibility rule rather than individual employee discretion.
O
- Odd/Even Bet An odd/even bet is an outside roulette wager that wins on odd or even numbers from 1 to 36 and loses on zero or double zero.
- Odds Odds are a ratio that compares the chance of an outcome happening with the chance of it not happening.
- Odds Bet An Odds Bet is an additional craps wager made behind a line or Come wager after a point is established and paid at the true probability of that point beating 7.
- Odds Ratio
- Offer An offer is a casino promotion or player benefit given under specific rules, usually to encourage a visit, return trip, or extra play.
- One Pair One pair is a five-card hand with exactly two cards of one rank and three unmatched side cards of different ranks.
- Orphelins Orphelins is a roulette wheel-section bet covering the orphan numbers outside the voisins and tiers sectors.
- Outlier An outlier is an observation that sits unusually far from comparable results and needs context before it is treated as an error, risk, or meaningful signal.
- Outside Bet An outside bet is a roulette wager on a broad group such as red/black, odd/even, high/low, a dozen, or a column.
- Outside Straight An outside straight is a straight draw that can be completed by adding a card to either end of the sequence.
- Over/Under 13 Over/Under 13 is a blackjack side bet on whether the player's first two cards total over 13 or under 13.
- Overround Overround is the bookmaker percentage above 100% created by the posted odds across all outcomes in a market.
P
- Pace of Play Pace of play is the real rhythm of a casino game after player decisions, procedures, payouts, delays, and game flow are included.
- Paddle A paddle is a table-game tool used to push cash, slips, or documents into the drop box during controlled table play.
- Pair Plus Pair Plus is a Three Card Poker side bet that pays when the player’s three cards make a pair or better.
- Pair Square Pair Square is a blackjack side bet that pays when the player's first two cards are a pair, often paying more for a suited pair.
- Panda 8 Panda 8 is an EZ Baccarat side bet that pays when the Player hand wins with a three-card total of 8.
- Paroli
- Pass Line The Pass Line is the main craps bet that wins with the shooter on the come-out roll and then wins if the point repeats before a 7.
- Pat Hand A pat hand is a completed poker hand that the player usually keeps instead of drawing new cards.
- Pattern Recognition Pattern recognition is the mind’s ability to detect regularity; in gambling it often mistakes random clustering for a predictive signal.
- Payback
- Payback Percentage Payback percentage is the percentage of total wagers a game is mathematically expected to return over the long run.
- Payline A payline is a line or pattern on a slot machine where symbols must land to form certain winning combinations.
- Payout A payout is the amount or award returned under a game's rules after a winning result, and may be quoted as profit or as total return.
- Payout Odds Payout odds state the net profit paid for each unit wagered when a bet wins; they may be lower than the event's fair true odds.
- Payout Percentage Payout percentage is the share of total wagers returned to players, usually expressed as a percentage of total money bet.
- Payout Schedule A payout schedule is the complete list of awards and conditions for the qualifying outcomes of a specific casino wager.
- Paytable A paytable is the complete schedule mapping qualifying game outcomes and conditions to their awards.
- Penny Slots Penny slots are slot machines with a one-cent credit denomination, not necessarily one-cent total spin cost.
- Perfect Pairs Perfect Pairs is an optional blackjack side wager on the player’s first two cards forming a same-rank mixed, colored, or exact-suit pair.
- Pit A pit is a supervised live table-game area where staff manage games, chips, ratings, limits, service, and operational decisions.
- Pit Boss A pit boss is a senior table-game supervisor who oversees a pit, floor staff, disputes, ratings, and major table-game decisions.
- Pit Stand A pit stand is the supervisor workstation in a table-game pit used for records, ratings, calls, controls, and pit communication.
- Pitch Game A pitch game is a hand-dealt blackjack-style game where the dealer pitches cards from the hand rather than dealing from a shoe.
- Place Bet A place bet is a dealer-positioned craps wager that a selected box number will roll before 7 while the wager is working.
- Player Bet A baccarat wager that wins when the Player hand finishes with a higher point count than the Banker hand.
- Player Development Player development is the casino function that identifies valuable players, builds relationships, and uses offers to grow profitable repeat play.
- Player Portal A player portal is a casino website or app area where players view loyalty accounts, offers, balances, win/loss data, and account tools.
- Player Psychology Player Psychology means the mental and emotional patterns that shape how casino players interpret risk, wins, losses, streaks, and control.
- Player Rating A player rating is the casino's estimate of a player's gambling value based on tracked play such as average bet, time, speed, and house edge.
- Player Tracking Player tracking is the casino system process of recording rated play, loyalty activity, and account behavior to estimate player value.
- Player Worth Player worth is the casino's estimate of a player's value based on expected loss, actual play, loyalty behavior, and comp cost.
- Player’s Club A player’s club is a casino loyalty account that identifies tracked play and may award separate benefits such as redeemable points, free play, comps, offers, and tier status.
- Point In craps, a point is an active target number that must be repeated before 7 for the attached bet to win.
- Poker Hand Rankings Poker hand rankings are the ordered hand strengths used to decide which poker-style hand beats another.
- Politically Exposed Person A politically exposed person is a customer whose public role or connections may require higher AML scrutiny.
- Positive Expectation Positive expectation means a decision earns money on average when the same measurable conditions can be repeated.
- Positive Progression A positive progression raises stakes after winning results rather than after losses.
- Pressing Bets Pressing a bet means increasing its size, usually after a win, instead of taking all the profit off the table.
- PRNG PRNG stands for pseudo-random number generator, an algorithm that produces unpredictable-looking values from internal state or seed data.
- Probability Probability is the mathematical chance that a specific outcome will happen, usually shown as a fraction, decimal, or percentage.
- Probability Distribution A probability distribution shows all possible outcomes of a game or bet and the chance attached to each outcome.
- Problem Gambling Problem gambling is gambling behavior that causes harm or becomes difficult to control.
- Progressive A progressive is a jackpot or monetary award that increases under defined contribution rules until it is won, capped, transferred, or otherwise resolved.
- Progressive Jackpot A progressive jackpot is a jackpot that grows as eligible wagers feed a meter until the jackpot is won.
- Progressive Side Bet A progressive side bet is an optional casino wager connected to a jackpot meter that grows until a qualifying result hits.
- Prop Bet A prop bet is a proposition wager on a specific event; in craps it usually refers to center-layout bets such as Any Seven, horn, hop, hardway, or a named dice total.
- Proposition Bet A proposition bet is a special casino wager, often on a specific event or dice result, usually with a higher house edge.
- Proposition Bets Proposition bets are wagers on specific events or outcomes, often separate from the main game and usually priced with a higher edge.
- Prospect Theory Prospect theory explains how people judge gains and losses unevenly, often taking more risk when trying to recover losses.
- PTZ Camera A PTZ camera is a surveillance camera that can pan, tilt, and zoom to focus on activity or details in a casino area.
- Punto Banco Punto Banco is the common casino version of baccarat where players bet on Player, Banker, or Tie and drawing rules are automatic.
- Push A push is a zero-profit, zero-loss settlement in which the original wager is normally returned.
R
- Racetrack Bet A racetrack bet is a roulette bet selected from the oval wheel diagram, usually to cover numbers that sit near each other on the wheel.
- Raise A raise is an additional wager that increases the current bet or required commitment in a hand.
- Random Number Generator A random number generator is the software or hardware process that selects casino machine outcomes without relying on previous results.
- Randomness Randomness means outcomes do not follow a usable pattern, so past results cannot reliably predict the next casino result.
- Rated Play Rated play is gambling activity tracked under a player account so the casino can estimate value, offers, comps, and tier progress.
- Rating A rating is the casino’s recorded estimate of a player’s gambling activity, used to calculate theoretical value, comps, and future offers.
- Re-Split A re-split is splitting again after a split blackjack hand receives another matching card.
- Reality Check A reality check is an alert that interrupts play to remind a player about time spent, activity, or session status.
- Realized Hold Realized hold is the casino's actual retained win percentage after play has occurred.
- Recency Bias Recency bias is the habit of giving too much importance to the latest result while ignoring the longer record.
- Reconciliation Reconciliation is the controlled comparison of physical value, system records, and supporting documents to confirm that casino totals agree.
- Red/Black Bet A red/black bet is an outside roulette wager that wins if the ball lands on the chosen color and loses on the opposite color or zero.
- Reinforcement Loop A reinforcement loop is an action-feedback-repeat cycle that can encourage continued gambling even when the overall result is a loss.
- Reinvestment Rate Reinvestment Rate is the percentage of expected casino value returned to players through comps, offers, free play, or benefits.
- Relief Dealer A relief dealer is a dealer who temporarily takes over a live table game so the regular dealer can rotate, rest, or move to another assignment.
- Repeater Bet A repeater bet is a craps side bet that pays when a chosen dice total repeats a required number of times before a seven appears.
- Representativeness Heuristic Representativeness heuristic is judging probability by how much a result looks like a pattern or stereotype, rather than by real odds.
- Responsible Gaming Responsible gaming is the shared use of informed choices, limits, operator safeguards, regulation, and support to reduce gambling-related harm.
- Return Return is the money or value paid back from a wager, game, or session, measured against a clearly defined stake, bankroll, or turnover base.
- Return To Player
- Revenue Revenue is the money a casino generates from gaming or business activity before many expenses are removed.
- Reward Credits Reward credits are casino loyalty credits that may be redeemable for benefits such as food, rooms, free play, or other rewards.
- RFID Chips RFID chips are casino chips containing radio-frequency tags readable by compatible casino equipment.
- Riffle A riffle is a shuffle movement where two packets of cards are interlaced as part of a manual card-mixing procedure.
- Risk of Ruin Risk of ruin is the probability that a bankroll reaches zero or a defined failure threshold before a stated target.
- RNG RNG stands for random number generator, the system that produces unpredictable values used to resolve electronic casino outcomes.
- Roulette Ball The roulette ball is the small ball launched around a physical roulette wheel and allowed to settle in a numbered pocket that determines the winning result.
- Roulette Table Layout The roulette table layout is the betting grid where roulette players place chips on numbers, groups, colors, dozens, columns, and other outcomes.
- Roulette Wheel A roulette wheel is the spinning wheel with numbered pockets that determines the winning result after the ball lands.
- Royal Draw A royal draw is a draw containing cards that can complete a royal flush if the missing royal cards arrive.
- Royal Flush A royal flush is A-K-Q-J-10 of the same suit, usually the highest-paying hand in video poker and poker-based casino games.
- Royal Match Royal Match is a blackjack side bet that pays when the player's first two cards are suited, with a top payout for suited king-queen.
- RTP RTP, or return to player, is the long-run percentage of total wagers a casino game is designed to pay back to players.
- Running Count Running count is the live total of a card-counting system before adjustment for the number of unseen decks.
S
- S17 S17 is a blackjack rule requiring the dealer to stand on all totals of 17, including soft 17 such as Ace-6.
- Safer Gambling Tools Safer gambling tools are controls that help a player limit money, time, wagering, marketing, or access to gambling.
- Sample Size Sample size is the number of observed decisions, spins, hands, rolls, or sessions used to judge a result.
- Sanctions Screening Sanctions screening means checking names, entities, and transactions against restricted-party or sanctions lists.
- Scatter A scatter is a slot symbol that can pay or trigger a feature without needing to land on a normal payline.
- Security Casino security is the visible physical-response function that protects people, property, access, and incident scenes while coordinating with surveillance and management.
- Seed Money Seed money is the documented opening cash, chips, or other controlled value placed into a casino bank, table, kiosk, or fund before transactions begin.
- Self-Assessment A gambling self-assessment is a questionnaire or checklist that helps a player recognize risky gambling behavior and decide whether to seek help.
- Self-Exclusion Self-exclusion is a formal request to block yourself from gambling venues, websites, or accounts for a set period.
- Session A casino session is a defined period of play measured by the player or casino using time, money, game activity, or tracking records.
- Session Bankroll A session bankroll is the fixed amount of disposable money a player allocates to one gambling session before play begins.
- Session Length Session length is the duration of one continuous or tracked period of gambling activity.
- Seven Out Seven out means the shooter rolled a 7 after a craps point was established, ending that hand and settling point-on wagers.
- Shift Manager A casino shift manager is the senior on-duty manager responsible for safe, compliant, controlled, and commercially sound operation during a gaming shift.
- Shoe A shoe is a card-holding device that lets a dealer deal cards from multiple decks in a controlled table-game format.
- Shoe Entry Shoe entry means a player entering or joining a baccarat shoe after the shoe has begun.
- Shoe Game A shoe game is a blackjack, baccarat, or other card game dealt from a multi-deck shoe under a controlled cut-card and shuffle procedure.
- Short-Term Variance Short-term variance is the normal swing between actual session results and the game’s long-run average.
- Shuffle A shuffle is the controlled process of mixing cards so the next game, deck, or shoe begins from an unknown and sufficiently randomized order.
- Shuffle Machine A shuffle machine is casino equipment that randomizes playing cards for repeated use under controlled procedures.
- Side Bet A side bet is an optional wager placed beside the main game, usually paying for special outcomes instead of the base result.
- Side Total Bet A side total bet is a baccarat side bet on the exact final total of the Player hand or Banker hand.
- Simulation A simulation repeats a defined model many times to estimate average results, variation, probabilities, and risk under stated assumptions.
- Single Zero Roulette Single zero roulette is roulette played on a wheel with one zero pocket, usually giving a lower house edge than double-zero roulette.
- Six Card Bonus Six Card Bonus is an optional poker side bet that uses six defined cards to make the best qualifying poker hand.
- Six-Line Bet A six-line bet is a roulette wager covering six numbers across two adjacent rows on the layout.
- Slot Attendant A slot attendant is a casino floor employee who assists with slot machines, tickets, handpays, and player service.
- Slot Host A slot host is a casino employee who manages valuable slot players, offers approved comps, and tries to keep profitable play coming back.
- Slot Machine A slot machine is a casino gambling machine that uses random outcomes, a paytable, and a credit system to resolve each paid play.
- Slot Meter A slot meter is an internal accounting counter that records machine activity such as coin-in, coin-out, handpays, credits, and events.
- Small Road Small Road is a derived baccarat scoreboard that uses solid red and blue dots to describe comparisons within the Big Road.
- Soft Count Soft count is the controlled process for counting currency, vouchers, tickets, and paper-value items collected from casino operations.
- Soft Drop Soft Drop is a casino term explained in plain English for players and curious readers.
- Soft Hand A soft hand is a blackjack hand in which at least one ace can count as 11 without making the total exceed 21.
- Soft Total A soft total is a blackjack total containing an ace currently counted as 11, so the ace can fall to 1 if another card would otherwise make the hand exceed 21.
- Source of Funds Source of funds means the origin of the specific money used for a gambling deposit, buy-in, transfer, or transaction.
- Source of Wealth Source of wealth means how a customer built overall financial resources, such as salary, business ownership, investments, or inheritance.
- Spins Per Hour Spins per hour is the number of completed slot, roulette, or electronic-game cycles made in sixty minutes.
- Split A split separates a qualifying blackjack pair into two hands and requires a second wager equal to the original bet.
- Split Bet A split bet is a roulette wager on two numbers that share a border on the betting layout, normally paying 17 to 1.
- Spread A bet spread is the ratio between the minimum and maximum wager used during play; it describes range, not guaranteed advantage.
- Stake Stake is the amount of money risked on a single wager or gambling decision.
- Stand Off A stand off is a tie-like result where neither side wins the wager and the original bet is usually returned.
- Standard Deviation Standard deviation measures the typical distance between actual results and the expected average.
- Stiff Hand A stiff hand is a vulnerable blackjack hand, usually hard 12 through 16, that can bust easily when hit.
- Straight A straight is a five-card poker hand containing five consecutive ranks, with suits not required to match.
- Straight Flush A straight flush is five cards in numerical sequence, all in the same suit.
- Straight-Up Bet A straight-up bet is a roulette wager placed on one exact number, including zero pockets offered by the wheel.
- Strategy Chart A strategy chart is a ranked guide that tells a video poker player which cards to hold for the best expected result on a specific game.
- Streak A streak is a run of similar gambling outcomes, such as several wins, losses, Banker results, red numbers, or dead slot spins in a row.
- Street Bet A street bet is a roulette wager covering three numbers in one horizontal row on the layout.
- Sunk Cost Fallacy Sunk cost fallacy is continuing because money, time, or effort has already been spent, even though those past costs cannot improve the value of the next decision.
- Super 4 Super 4 is a progressive blackjack side bet based on poker-style results from the player's and dealer's first two cards.
- Superstition Casino superstition is the belief that a ritual, object, sign, person, or timing choice can influence an outcome without a causal link to the game.
- Surrender Surrender is a blackjack option that ends the hand in exchange for losing half of the original main wager.
- Surveillance Casino surveillance is the controlled capability to observe, record, review, and document activity in a gaming establishment.
- Surveillance Room A surveillance room is the restricted casino area where surveillance staff monitor cameras, review incidents, and document activity.
- Suspicious Activity Report A Suspicious Activity Report is a compliance report used when casino activity or transactions appear suspicious under AML rules.
T
- Table Closing Table closing is the controlled process of ending play, recording final inventory, securing the game, and preserving the accounting trail.
- Table Game Procedure Table game procedure is the approved routine for dealing, paying, supervising, documenting, and protecting a live table game.
- Table Inventory Table inventory is the controlled bank of chips, plaques, tokens, coins, and approved monetary equivalents assigned to one gaming table and recorded under that table’s accountability.
- Table Limit
- Table Limits Table limits are the posted minimum and maximum wagers a player may make on a casino table or specific table bet.
- Table Maximum A table maximum is the highest standard wager a player may place at a live casino table or on a listed table bet.
- Table Minimum A table minimum is the lowest standard wager a player must make to participate at a live casino table.
- Table Opening Table opening is the controlled process of starting a live casino table game with verified chips, records, and equipment.
- Tapping Out Tapping out is the controlled handoff when one casino employee relieves another at a table or operational position.
- The Point The point is the craps number a shooter must roll again before a seven after the come-out roll.
- Theo Theo is casino shorthand for theoretical loss, the expected value a casino assigns to a player’s rated gambling action.
- Theoretical Loss Theoretical loss is a casino estimate of average expected player loss based on action, time, speed, and game edge.
- Theoretical Win Theoretical win is the casino's expected win from recorded play, calculated from wagering volume and the applicable house advantage.
- Third Card Rule The Third Card Rule is Punto Banco baccarat's fixed procedure for deciding whether the Player hand and Banker hand receive one additional card.
- Three of a Kind Three of a kind is a poker hand with three cards of the same rank, such as three 8s or three queens.
- Ticket In Ticket Out Ticket In Ticket Out is the slot system that lets players insert and cash out printed vouchers instead of coins.
- Tie A tie in baccarat means the Banker and Player hands finish with the same final total.
- Tie Bet The Tie Bet is a baccarat wager that wins only when the Banker and Player hands finish with the same total.
- Tier Credits Tier credits are loyalty-program credits used to measure progress toward casino status levels.
- Tier Status Tier status is a casino loyalty level earned through tracked play or spending, often unlocking benefits, service priority, or offers.
- Tiers du Cylindre Tiers du Cylindre is a European roulette wheel-section bet covering a third of the wheel, opposite the zero sector.
- Tiger Pair Tiger Pair is a baccarat side bet that pays when the first two cards of the Player hand or Banker hand form a pair.
- Tilt Tilt is a state in which emotion begins controlling gambling decisions instead of the player’s rules, limits, and plan.
- Tilt Alarm A tilt alarm is a slot machine alert that signals a service, security, hardware, software, or accounting condition.
- Tilt Behavior Tilt behavior is an observable pattern in which emotion begins to control gambling stakes, speed, duration, or stopping decisions.
- Time Limit A time limit is a preset boundary on session duration or gambling access intended to interrupt or stop play after a defined period.
- Time Played Time played is the length of a rated gambling session used to estimate action, theoretical loss, and comp value.
- Time-Out A time-out is a temporary voluntary break that blocks or pauses gambling access for a chosen period.
- Title 31 Title 31 is casino shorthand for U.S. Bank Secrecy Act rules governing anti-money-laundering programs, currency reporting, suspicious activity, and records.
- TITO TITO means Ticket In Ticket Out, a slot system where machines accept and print value tickets instead of using coins.
- Toke Rack A toke rack is the table location or rack used to hold dealer tips, often called tokes, under casino procedures.
- Total Action Total action is the full sum of all money wagered over a session, trip, game, player, or reporting period.
- Trespass Casino trespass means entering or remaining on property without permission, especially after an authorized person has directed you to leave or not return.
- Trespass Warning A trespass warning is formal notice that a person must leave or not return to casino property, depending on local law and casino policy.
- Trip Worth Trip worth is a casino's estimate of the value generated during one defined player visit, usually centered on rated theoretical win and adjusted for comps and trip context.
- Trips Bonus Trips Bonus is an optional Ultimate Texas Hold’em side wager that pays when the player’s final five-card hand is three of a kind or better.
- True Count True count is a blackjack running count divided by the estimated number of decks remaining, expressing the count on a per-deck basis.
- True Odds True odds are the mathematically fair odds of an outcome, based only on its real probability before any casino payout discount.
- Two Pair Two pair is a poker hand with two cards of one rank, two cards of another rank, and one side card.
U
- Unit A unit is one standard betting amount used to measure wagers, bankroll, wins, losses, and risk.
- Unit Size Unit size is the dollar value assigned to one standard betting unit.
- Unrated Play Unrated play is gambling activity not connected to a player account, loyalty card, or formal casino rating.
- Upcard An upcard is the dealer’s visible face-up card in blackjack, used to guide the player’s strategy decisions.
V
- Variable Ratio Schedule A variable ratio schedule gives rewards after an unpredictable number of attempts, which can make repeated play feel persistent and compelling.
- Variance Variance measures the average squared distance between possible results and their expected value.
- Variance Swing A variance swing is a temporary movement in a player's bankroll or a casino's result away from its long-run expected value.
- Vig Vig is short for vigorish, the casino’s fee, commission, or built-in price on certain bets.
- Vigorish Vigorish is a fee, commission, or payout deduction that gives the house a price on a wager.
- VIP VIP is a casino service or loyalty designation for a customer the property chooses to recognize, retain, host, or serve through enhanced benefits.
- VIP Room A VIP room is a restricted casino area providing higher-limit gaming and tailored service to qualified patrons under enhanced operational controls.
- Voisins du Zéro Voisins du Zéro is a roulette wheel-section bet covering the numbers near zero on a European wheel.
- Volatility Volatility is how sharply a casino game’s results can swing around its average return, from frequent small hits to rare large payouts.
- Volatility Index A volatility index describes the expected size or dispersion of swings, not the long-term return.
- Voluntary Exclusion Voluntary exclusion is a player-requested gambling restriction that blocks access to gambling accounts, venues, or products for a chosen period.
- Voucher A casino voucher is a printed wagering instrument whose value is verified against a casino system before it is accepted or paid.
W
- W-2G Form W-2G is the U.S. information return used to report qualifying gambling winnings and any federal income tax withheld.
- W2 G W2 G is an informal spelling of W-2G, the U.S. form for reporting certain gambling winnings and withholding.
- Wager Requirement
- Wagering Wagering is the act of placing money or credits at risk on a casino outcome.
- Wagering Limit A wagering limit caps the amount a player can stake during a set period, such as a day, week, month, or session.
- Wagering Requirement A wagering requirement is the total qualifying amount a player must bet before bonus funds or related winnings become withdrawable.
- Whale A whale is an extremely high-value casino player whose wagers, credit, comps, and risk receive senior-level attention.
- Wild Wild is the common short name for a slot symbol that can substitute for certain other symbols.
- Wild Card A wild card is a card that can stand in for another card, changing hand rankings, payouts, and strategy.
- Wild Royal A wild royal is a royal-flush hand completed with one or more wild cards instead of all five natural royal cards.
- Wild Symbol A wild symbol is a slot symbol that substitutes for certain other symbols to help form winning combinations.
- Win Win is a casino term explained in plain English for players and curious readers.
- Win Loss Statement A Win Loss Statement is a casino record summarizing tracked gambling wins and losses for a player over a period.
- Win Per Day Win per day measures the casino win generated over a day, often by game, unit, bank, pit, or whole property.
- Win Per Unit Win per unit is casino win divided by a clearly defined number of machines, tables, terminals, seats, or other operating units for a stated period.
- Win Rate Win rate is the amount won over a chosen measure such as hour, hand, spin, session, or total action.
- Wonging Wonging is entering, leaving, or sitting out blackjack hands according to count conditions instead of playing continuously through the shoe.