In stud and hold em poker, the facedown cards dealt to each player. The percentage of each bet that you make that the house takes in. Winning bets are paid off at less than the true odds to generate income for the house. A roulette bet placed on any number, or small combination of numbers. In blackjack, a side bet that the dealer has a natural.
Insurance is offered only when the dealers up card is an ace.
The insurance bet wins double if the dealer has a natural, but loses if the dealer does not. A big win on a slot machine. A large electronic board that displays the winning keno numbers. The main area within a casino where keno is played. A casino employee who shuttles your keno bet from wherever you are to the keno writer, and also delivers payment for winning tickets.