Jackpot | Definition of Jackpot by Merriam-Webster
jackpot: [noun] the top prize in a game or contest (such as a lottery) that is typically a large fund of money formed by the accumulation of unwon prizes. a hand or game of draw poker in which a pair of jacks or better is required to open. a large pot (as in poker) formed by the accumulation of stakes from previous play. a combination on a ...