Definitions for "En Prison"
A French term meaning in prison. When the spin results in a 0 on an even bet, the player can either take back half of the bet or leave the full bet for another spin. If the player leaves the entire bet, if the next spin results in a 0 again, the player loses the bet.
Jail, when it goes out him/it zero in the French roulette, the simple chances are imprisoned up to the following hand, if it goes out the combination you/they are freed, otherwise pardon
French phrase applicable in even bets only, if result is zero in a spin, some casinos allow you to either take away half of your bet or leave it for another spin, i.e. in prison. If result is again zero while playing according to second option, you lose entire money.