sweepstakes
sweep.stakes also sweep.stake \-.sta-ks\ \-.sta-k\ n [ME swepestake one who wins all the stakes in a game, fr. swepen to] pl but sing or pl in constr sweep + stake 1a: a race or contest in which the entire prize may be awarded to the winne r; specif : a horse race in which the stakes are made up at least in part of the entry fees or other money contributed by the owners of the horses 1b: CONTEST, COMPETITION 2: any of various lotteries