A money prize pool which accumulates until the conditions are met for it to be won. / A large cash prize or money. / An unexpected windfall or reward.

(of a slot machine, intransitive) To issue a jackpot.

(Western US) A difficult situation. / A jumble of felled timber.

plural of jackpot

The act of rewarding a dog with a large number of treats during training.

present participle of jackpot

A census-designated place in Elko County, Nevada, United States.

simple past tense and past participle of jackpot

(idiomatic) To receive a more favorable outcome than imagined, especially by good luck.