jackpot

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The accumulated stakes in a kind of poker that requires one to hold a pair of jacks or better in order to open the betting.
2. n. A cumulative pool in a competition, lottery, or various other games.
3. n. A top prize or reward.

Century Dictionary and Cyclopedia

1. n. In draw-poker, a pot or pool in which the ante must be repeated until some player can open the betting with a pair of jacks or better.
2. n. In lumbering, an unskilful piece of work.
3. n. A pile of logs.

Wiktionary

1. n. Western US A difficult situation.
2. n. A jumble of felled timber.
3. n. A money prize pool which accumulates until the conditions are met for it to be won.
4. n. A large cash prize or money.
5. n. An unexpected windfall or reward.

GNU Webster's 1913

1. n. (Poker Playing) the name given to the stakes, contributions to which are made by each player successively, till such a hand is turned as shall take the “pot,” which is the sum total of all the bets. See also jackpot.
2. n. Same as jack pot. See under jack.
3. n. Any larger-than-usual gambling prize formed by the accumulation of unwon bets.
4. n. The highest gambling prize awarded in a gambling game in which smaller prizes are also awarded, especially such a prize on a slot machine.
5. n. An unusually large success in an enterprise, either unexpected or unpredictable, esp. one providing a great financial benefit.
6. n. See under 2d Jack.

WordNet 3.0

1. n. any outstanding award
2. n. the cumulative amount involved in a game (such as poker)