jackpot

Short definition from Wiktionary

Noun

1. 1
   A money prize pool which accumulates until the conditions are met for it to be won.
2. 2
   A large cash prize or money.
3. 3
   An unexpected windfall or reward.
4. 4
   A concentration of surface wood or fuel.
5. 5
   A large accumulated point bonus, originally awarded after a long set of actions but now often easily available in multiball modes.
6. 6
   A difficult situation.
7. 7
   A jumble of felled timber.

Verb

1. 1
   Of a slot machine, to issue a jackpot.
2. 2
   To fraudulently exploit an automatic teller machine so that it dispenses cash that has not been withdrawn from an account.

Proper noun

1. 1
   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.
2. 2
   A census-designated place in Elko County, Nevada, United States.