| 10 Cent Line | The money line difference (10 cents) between what a bettor would lay with the favorite or take back with the underdog; see Dime Line. |
| 20 Cent Line | The money line difference (20 cents) between what a bettor would lay with the favorite or take back with the underdog. |
| Across The Board | A method of wagering on a horse to win, place and show. |
| Action | A wager of any kind. |
| Active | One who is still in the pot. |
| Active Player | In poker, one who is still in play. |
| Addon | In poker, the possibility of buying additional chips during a tournament. |
| Aggregate Limit | Total payout liability of a casino during any one game. |
| Aggregate Winnings | Cumulative or total winnings. |
| All In | Putting all your money in. |
| All or Nothing | In Keno, a ticket that only pays if either all picked numbers are drawn or none of the picked numbers are drawn. |
| All Weather Racing | Flat racing which takes place on an artificial surface |
| AllorNothing | In Keno, a ticket that only pays if either all of the picked numbers are drawn or none of the picked numbers are drawn. |
| Anchor | The player sitting in the last position on a blackjack table before the dealer. This is the person who makes the final decision, thereby anchoring the game. |
| Anchor Man | The player betting from the last chair at the blackjack table. |
| Ante | The initial bet before you receive your cards in Casino Stud Poker. |
| Ante | Usually a poker term used for the wager to enter a game, or a hand. |
| Ante-Post | Betting days, weeks and even months before the race is due to take place |
| Any Craps | A one roll bet in roulette totaling 2, 3, or 12. |
| Any Seven | A one roll bet in roulette totaling any 7. |
| Arm | In Craps, a player who has such skill at throwing the dice that he can alter the conventional odds of the game. Such a player is said to be "an arm", and is usually not seen kindly by the dealer. |
| ATS | Against the spread |
| Audition | A test a dealer must pass before being hired by a casino. |
| B.R. | Bankroll |
| Baccarat | A table game using 6 or 8 decks of cards which does not require skill. Similar to the skill game Chemin de Fer. Sometimes called Punto Banco. |
| Back Door | A hand-made 'back door' is one made using both of the last two cards. A back door flush in Texas hold 'em is about 20-1. |
| BackLine | In Craps, the same as Don't Pass Line. |
| Bad Beat | Tough Loss. |
| Bad Paper | Checks written by players that are not honored at the player's bank due to insufficient funds. |
| Bag | English casino term for "thousand.` Three bag, for example, is three thousand. |
| Bank Roll | A total sum of money a player is willing to risk on a given visit to a casino. |
| Banker | In card games, the dealer. |
| BankRoll | Also known as Roll, this means the total money that a player has to support the bets they make. |
| Bankroll | The total amount of money a player has for a gaming session. |
| Bar the 12 | In craps, makes the 12 a push on the Don't Pass Bar. |
| Barber Pole | A wager made using a stack of various chips. |
| Barred | Same as Banned. Not allowed to enter the casino premises permanently. |
| Barthe12 | In Craps, this changes the 12 into a Push on the Don't Pass Line. |
| Base | The area on a Craps table where most of the bets are placed. |
| Base Deal | Cheating by dealing from the bottom of the deck. |
| BaseDealer | Craps dealer in charge of one of the Bases. |
| BaseDealer | Craps dealer in charge of one of the Bases. |
| Basic Strategy | A mathematical system for playing the game of blackjack. |
| Beard | Messenger bettor |
| Beef | A dispute or claim involving a player and his bookmaker or a casino dealer. A dispute over the outcome of a bet. |
| Belly buster | An inside straight draw. |
| Bet | Wager. |
| Bet the limit | Wagering the maximum amount a player is allowed to risk in any game. |
| Betting Limits | The minimum and maximum amount that can be wagered on any one bet. |
| Betting Right | In Craps, betting with the shooter. |
| Betting Right | Betting on the Pass Line or with the shooter. |
| Betting Wrong | Betting on the Don't Pass Line or against the shooter. |
| Big Blind | In flop games, two bets are usually posted before any cards are dealt. |
| Bingo | Bingo is a prize game played in halls. Basically, players buy cards with numbers on them in a 5 x 5 grid corresponding to the five letters in the word B |
| BlackBook | A list of people forbidden to enter any casino in Nevada. |
| Blackjack | A card game where players try to beat the dealer by getting closest to 21 without busting. |
| Blackjack Hand | A hand whose first two cards total 21. |
| Blind Bet | In poker, a bet posted without the player sees any of his/her cards. |
| BlindBet | In poker, a bet made without the player seeing any of his or her cards. |
| Blinds | A forced bet in Texas Hold `Em Poker. |
| Blinds | A forced bet in Hold'em Poker. |
| Bluff | A bet with a weak hand, usually intended to get other players to fold. |
| Boat | Nickname for a full house. |
| Bonus | Money that could be given to you for free for various reasons such as when signing up to an online casino. |
| Book | To accept a bet. |
| Bookie | A bookie is a person who collects and pays off the bets that are made. |
| Box | In Craps, the area of the table controlled by the Boxman. |
| Boxcars | In Craps, when you roll two sixes. |
| Boxing | In horse racing, a single ticket comprised of more than one parlay. |
| Boxman | The casino dealer in charge of the craps table . |
| Bracelet | Winning a championship event at the World Series of Poker (WSOP) earns the player a Gold Bracelet. Highly prized amongst poker professionals. |
| Brass Brazilians | The best hand, also known as the nuts. |
| Break | In Blackjack, to exceed 21. |
| Break | Even Point |
| Break Even Point | Theoretical gambling term used to signal the point at which your bets and your payoffs would equal one another if you play for ever. |
| Break the Deck | This term is mainly used in blackjack games meaning to reshuffle the cards. |
| Break/Bust Card | The card received which causes the dealer or player to exceed 21. |
| Buck | A $100 wager. |
| Bug | A joker. |
| Bullets | A pair of aces in the hole. |
| Bump | To raise. |
| Burn Cards | Undealt cards which are placed in the discard tray after a dealer has shuffled and cut the deck. |
| Bust | To exceed 21. |
| Bust | To run out of money. 'Busted out' in competitions where its final. |
| Button | Big white marker in the shape of an ice-hockey puck the denotes the position of dealer in house dealt games. |
| Buy | To buy a pot is to make a bet large enough that other players would be unlikely to call. |
| Buy In | To buy chips. To convert cash into chips or the amount of cash used to buy chips at a table game. |
| Cage | Financial centre of a casino. It is in this tightly controlled environment that the large money transactions take place. |
| Call | In Poker, to match the current bet. |
| Call Bet | A bet made verbally to other players. |
| Camouflage | Anything a gambler does to conceal his or her actions from the casino. |
| Capping | Placing extra chips on a bet after the deal has started. Illegal and it is a serious form of cheating by a player. |
| Card Counting | A system developed to keep track of the high cards and low cards left in the deck. |
| Card Shark | An expert card player. |
| Card Sharp | A person who is an expert at cards. |
| Caribbean Stud | A five-card poker game where all the players are playing against the house. |
| Caribbean Stud Poker | A five card poker game where all players play against the house. |
| Carousel | A group of slot machines that are positioned in a circle with a change person positioned in the center to exchange paper money into coins for the players. |
| Carpet Joint | Slang for a luxury gambling casino (US). |
| Case money | Emergency money. |
| Cashcheck | A feature used by some online casinos software that allows you to review your financial transaction history. |
| Cashier’s Cage | The casino cash desk for cashing in the chips. |
| Casino Advantage | The edge that the House (casino) has over the players. |
| Catch | When the cards are treating you well, you are said to be catching cards |
| Catch | In Keno when a number you have chosen is drawn. |
| Chalk | Favorite |
| Chalk Eater | Favorite bettor |
| ChangeColor | To exchange any one color denomination chip for another color chip. |
| Chase | To place another bet in the hopes of regaining money originally lost. |
| Check | In a casino, another term for Chip. In Poker, to stay in the game without placing a bet. |
| Check | If no one has bet and it is your turn, you may 'check' to signify passing the initiate to the next player without risking money. (exception=7 card stud) |
| Checks | Common name casino workers use when referring to chips. |
| Chemin De Fer | A table game using 6 or 8 decks of cards, similar to Baccarat but requires skill. |
| Chip | Poker chips are small round discs used instead of money at the poker table. |
| Chip Tray | The tray near the dealer that holds the table's chips. |
| Chips | Round plastic discs representing different denominations of money. Casinos require chips. |
| Churn | The effect of betting and re-betting money |
| Circled Game | Game where action is limited due to uncertainties about injuries etc. |
| Coat Tail | To bet the same numbers as someone who is currently winning. |
| Cold | A player on a losing streak or a slot machine that does not paying out. |
| Color Up | |