[ˈdʒakpɒt], (Noun)

Definitions:
- a large cash prize in a game or lottery, especially one that accumulates until it is won


Phrases:
- hit the jackpot

Origin:
late 19th century: from jack + pot. The term was originally used in a form of poker, where the pool or pot accumulated until a player could open the bidding with two jacks or better