Source : Webster's Revised Unabridged Dictionary (1913)

Craps \Craps\ (kr?ps), n.
   A gambling game with dice. [Local, U.S.]

Source : WordNet®

craps
     n 1: when two dice are thrown and both come up showing one spot
          the results is called `craps' or `snake eyes' [syn: {snake
          eyes}]
     2: a gambling game using two dice [syn: {crap shooting}, {crapshoot},
         {crap game}]