noun a winning of all the stakes or prizes; a sweepstake.
2. sweepstakes (·sg / ·pl) a race for all the sums staked or prizes offered.
3. sweepstakes (·sg / ·pl) the whole money or other things staked at a horse race, a given sum being put up for each horse, all of which goes to the winner, or is divided among several, as may be previously agreed.