jackpot

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.

The largest prize or reward in various games or contests.

A lucky development or substantial success.

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.

In lumbering, an unskilful piece of work.

A pile of logs.

Same as jack pot. See under jack.

Any larger-than-usual gambling prize formed by the accumulation of unwon bets.

The highest gambling prize awarded in a gambling game in which smaller prizes are also awarded, especially such a prize on a slot machine.