bet
1. bet \'bet\ n [origin unknown] 1a: something that is laid, staked, or pledged typically between two partie s on the outcome of a contest or any contingent issue : WAGER 1b: the act of giving such a pledge 2: something to wager on 2. bet vb or bet or bet.ted; or bet.ting 1: to stake on the outcome of an issue 2a: to maintain with or as if with a bet 2b: to make a bet with : to lay a bet