What is Sweepstakes?

Sweepstakes definition and meaning on Dictionary terms:
noun (used with a singular or plural verb)
a race or other contest for which the prize consists of the stakes contributed by the various competitors.
the prize itself.
a lottery in which winning tickets are selected at random, each winning-ticket number then being matched to one of the horses nominated for or entered in a specific race, and the amounts paid the winners being determined by the finishing order of the horses that run.
lottery(def 2).
any gambling transaction in which each of a number of persons contributes a stake, and the stakes are awarded to one or several winners.
a risky venture that promises large rewards: the high-tech sweepstakes.


reference: https://www.dictionary.com/browse/sweepstakes