ETYM Local, U.S.
1. A gambling game using two dice; SYN. crap shooting, crap game.
2. When two dice are thrown and both come up showing one spot the results is called 'craps' or 'snake eyes'; SYN. snake eyes.
Casino game adapted from the game of hazard by Bernard de Mandeville in the early 19th century. It is played with two dice: a throw of 7 or 11 wins; a throw of 2, 3, or 12 loses.
If none of the above show on the first toss, the “shooter” tries to repeat the number originally thrown before throwing a 7 or 11.