A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Jackpot - A large win on a slot machine.
Jacks or Better - Draw poker in which a pair of Jacks is the minimum hand permitted to start the action.
Joker - The 53rd card in a deck, sometimes used as a wild card.
Juice - The bookmakers commission for taking a bet.