1. Also called, Brit., action replay. Television.
a. the recording and immediate rebroadcasting of a segment of a live television broadcast, esp. of a sports event: an instant replay of the touchdown pass.
b. a segment recorded and immediately rebroadcast.
2. Informal.the repetition, review, or reenactment of something immediately or soon after its initial occurrence.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.