Roulette Dictionary

En Plein

French term for the Straight-up Bet.

En Prison Rule

When the outcome is zero, some casinos will allow the players to either take back half his bet or leave the bet (in prison) for another spin. In the second case, if the following spin the outcome is again zero, then the whole bet is lost. This rule applies to even money bets only.

European Wheel

Roulette wheel that has only a single zero (0) and a number sequence of (clockwise starting with 0): 0, 32, 15, 19, 4, 21, 2, 25, 17, 34, 6, 27, 13, 36, 11, 30, 8, 23, 10, 5, 24, 16, 33, 1, 20, 14, 31, 9, 22, 18, 29, 7, 28, 12, 35, 3, 26. Originally, the single-zero wheel started in America and the double-zero wheel started in Europe. But, Europeans liked the single-zero wheel better, and Americans liked the double-zero wheel better so they switched. Today, the European wheel and single-zero wheel are synonymous. It is also known as the French Wheel.

Even (Number) Bet

A wager that one of the even numbers will win the next spin. When placing your chips on the space marked even you collect when the winning number is even.

Even Money

A bet that pays off at one to one. In roulette Red, Black, Odd, Even, Low, and High bets all pay even money.

Even Up

A bet that has no mathematical edge for either side. In roulette, this can only come from wheel biases and croupier biases, as all layout bets have an unyielding house advantage.

Even-Odd Bet

Pays 1-1 if the winning number is Even or Odd. This is an 18 number wager on the outside.

Eye in the Sky

The cameras, usually in bubbles, located throughout the casino that videotape the action.