RhymeZone: pay-off definitions

Definitions of pay-off:

noun: A payment.
noun: A reward.
noun: A bribe.
noun: (colloquial) A resolution or justification of an event that has already occurred, especially in fiction.
noun: (baseball) Short for payoff pitch. [(baseball, slang) A pitch thrown on a count of three balls and two strikes.]

(Definitions from Wiktionary)