A	Ace adjustment	A side count of aces kept in addition to the main count.
	Action	The total amount of money bet by a player on all hands in a gaming session.
	Advantage	Player's expected rate of win or loss, usually given as a percentage of total money put into action. Can also be used to define a casino's advantage.
B	Back count	A side count of aces kept in addition to the main count.
	Bankroll	A player's total available gambling money.
	Bar	To kick a player out of casino.
	Black chip	A $100 chip.
	Blackjack	A hand of 21 which includes only an Ace and a ten-valued card. Same as a "natural".
	Bonus	Some casinos offer significant payouts (5:1) for some rare combinations.
	Break	1. To bust. 2. To break a deck means to shuffle prematurely.
	Burn Cards	After cutting the deck and prior to dealing, the first card or few cards are not dealt, but moved directly to the discard tray.
	Bust	When with your final card your hand goes over 21.
C	Cage	Area of casino where cashier is based and chip buying and selling takes place. Usually surrounded by metal bars or other high security measures.
	Capping	Placing extra chips on top of bet stack after deal has begun, to increase potential win. Serious form of cheating and relatively easy to detect with video surveillance.
	Card counting	A method of keeping track of the cards by assigning a value to certain cards in the deck.
	Check or cheque	A casino chip.
	Color up	When a player leaving a game exchanges smaller denomination chips for larger denomination chips.
	Continuous shuffling machine	A machine that mixes used cards back into the pack continuously instead of keeping them aside round after round to be shuffled all at once.
	Count	Player's estimation of favoravle/unfavorable at any moment throughout the deal.
	Cut	When the dealer divides a deck into two parts and inverts them after they have been well shuffled.
	Cut card	A solid colored card typically a piece of plastic which is given to a player by the dealer for the purpose of cutting the deck(s) after a shuffle.
	Cut offs	The cards that are cut off from play by the cut card.
D	Deck	Pack of 52 playing cards. There are single deck, double-deck, four-deck, six-deck, eight-deck games, with six-decks being the most frequent.
	Discards	Simply the cards that have already been played and put aside since the last shuffle.
	Doubling after splits	A rule which allows the player to double down after splitting a pair.
	Double down	The player's option to double their original bet in exchange for receiving only one more card. Usually, but not always, a player may only double down after receiving the first two cards.
	Double exposure	In this variation of blackjack the dealer is required to display both cards he dealt to himself.
	Drop Percentage	That portion of the player's money that the casino will win because of the house percentage.
E	Early surrender	Player may give up or surrender after receiving first two cards but before dealer checks for an Ace in the hole. If surrendered, only half of bet is lost, instead of entire sum. Rarely allowed by the house.
	European no-hole-card rule	Again a blackjack rule, according to which the dealer does not take a hole card. The dealer deals himself the second card only after all player hands are finished.
	Even money	1. A bet that pays you back the same amount that you wagered, plus your original wager. 2. The situation when a player decides to take insurance on his blackjack when a dealer has an Ace showing. If the player takes this option, he is paid even money on his blackjack regardless of whether the dealer has a blackjack or not.
	Expected win rate	A percentage of the total amount of money wagered that you can expect to win or lose over time.
	Eye	Slang for video surveillance cameras used by casinos.
F	False shuffle	Some cheating dealers use this trick when shuffling to maintain the initial cards' order or some pre-arranged order.
	Face up/Face down game	Two different dealing styles. In face down game, player's first card is up, second card is down. In face up game, both cards are dealt up and cards are not touched by player-presumably to prevent cheating.
G	Green chip	A $25 chip.
H	Hand	Player's or dealer's cards that constitute a complete play.
	Hard	A hand in which Ace is counted as 1 or which does not consist an Ace.
	Heads up	When you are the only one playing at the table (one-on-one game).
	Heat	The pressure a casino puts on a winning player, typically someone who is suspected of being a card counter.
	High-low pick-up	"High-low pickup" is when the dealer, while pretending to follow house rules, picks up in separate slugs a pack of high cards (like face cards) and low cards, and then proceeds to control these slugs in the shuffle for a certain purpose.
	Hit	To draw another card. The card received is also called a hit.
	Hole card	The dealer's unrevealed down card.
	Hot Deck	Playing situation with a high count value, very favorable to player.
I	Insurance	A side bet a player can make (up to half of the amount of his bet) to bet that the dealer has a natural when the dealer's upcard is an ace. It pays 2:1.
L	Late surrender	A blackjack rule in which allows the player to give up only half of his bet after seeing the dealer's up card. Yet if the dealer has a blackjack, the player will still loose his entire bet.
M	Mechanic	Slang for dealer who cheats, often by dealing "seconds," that is holding top card in reserve for later use.
N	Nickel	A $5 chip.
O	Over/under (also Over/Under 13)	Sometimes you can make a two side bets that can be made in blackjack. When betting Over, you wager that your card total will not exceed 13. And vice versa, when making an Under, bet you wager that your total will be more than 13. In either case, if the total is exactly 13 you lose.
P	Paint	The face cards - Jack, Queen and King.
	Pat hand	A hand with a total of 17 to 21.
	Penetration	Used in regard to how much of the pack or shoe a dealer uses before shuffling.
	Pit boss	The person who supervises all the games and casino personnel associated with a pit during a particular work shift. Pit bosses are in place to watch for cheating, settle disputes, and give comps to big bettors.
	Press	To increase one's bet after a winning hand.
	Pumpkin	A chip with the value of $1000 or even more. Has such a name because it is usually of orange color.
	Purple chip	A $500 chip.
	Push	A tie hand between a dealer and a player; thus, no money exchange.
Q	Quarter	The face cards - Jack, Queen and King.
R	Red chip	A $5 chip.
	Resplit	Used in regard to splitting pairs if another like card is dealt after splitting a pair for the first time.
	Round	When all players at a given table have completed hands.
S	Settlement	A $5 chip.
	Shill	A house employee who bets money and pretends to be a player to attract customers.
	Shoe	A plastic or wooden box that holds multiple decks of cards for dealing more than two decks of cards.
	Shuffle tracking	A technique when one tries to count the cards, determine how high or low cards go in the discard tray, and follow them through the shuffle. What one has noticed in the process, he later uses when cutting cards in order to bring the excess high cards into the game.
	Soft	A hand containing at least one ace, and the later counts as 11.
	Split	It is possible to split a pair of cards in blackjack, put out an additional bet equal to the original one, and play the split cards as two hands.
	Spooking	The practice of standing behind the dealer to peak at her hole card and then secretly convey the information to a co-conspirator sitting at the table. A form of cheating.
	Stand	One decides not to take any more cards.
T	Tell play	Observing the dealer and trying to detect subtle body language and expressions that give away his hand.
	Toke	"To toke the dealer" is just another word for tipping the dealer.
U	Unit	This generally means a card counter's minimum bet. When his bets are stretched from $25 to $200 and he says he won 10 units, he actually means he won $250.
	Upcard	The dealer's last unrevealed card.
W	Win rate	The speed at which the player is expected to win. Usually presented as a percentage or in dollars per hour, or sometimes per a specified number of hands.