jackpot

noun

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.