jackpot

A money prize pool which accumulates until the conditions are met for it to be won.countableuncountable

• If no player picks all six numbers correctly, the jackpot is rolled over and added to the next week's jackpot; several weeks of rollovers can build up jackpots up to $350 million or more.

A large cash prize or money.countableuncountable

An unexpected windfall or reward.countableuncountable

A concentration of surface wood or fuel.countableuncountable

• a juniper jackpot

A large accumulated point bonus, originally awarded after a long set of actions but now often easily available in multiball modes.countableuncountable

A ball game in which a thrower calls out a point value and whether the ball must be caught "alive" (in the air) or "dead" (having touched the ground), and a group of catchers compete to catch the ball.uncountable

• As a little girl, I was something of a tomboy. I played jackpot in the mud at recess, and my Christmas wish lists consisted of baseball mitts and remote controlled cars.

Of a slot machine, to issue a jackpot.intransitive

• I went into the Las Vegas Casino and played $20 in a nickel slot, and it jackpotted for $300.
• She sought out the machines along the aisles, the ones most frequently used, stuffed with tokens, especially likely to jackpot.

To fraudulently exploit an automatic teller machine so that it dispenses cash that has not been withdrawn from an account.transitiveuncommon

A difficult situation.USWestern

• "I'm in a jackpot." Sympathy shone from those friendly eyes at once. "It's shore too bad for a lady to be in a jackpot," he answered me earnestly.
• You're already in a jackpot, he said. I'm tryin to get you out of it.

A jumble of felled timber.

• It frequently happens that trees fall across one another, forming what is known as a jackpot. A number of trees may fall in a single jackpot. One of the tools with which appellant claims a bucker should be provided is an undercutter rigging