Noun crapshoot has 2 senses
  1. crapshoot - a risky and uncertain venture; "getting admitted to the college of your choice has become a crapshoot"
    --1 is a kind of
    risk, peril, danger
  2. craps, crap shooting, crapshoot, crap game - a gambling game using two dice
    --2 is a kind of game of chance, gambling game
    --2 has parts: cast, roll