Definition of "Bat" :

noun: (baseball) a turn trying to get a hit

"He was at bat when it happened."

noun: nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate

noun: a club used for hitting a ball in various games

noun: the club used in playing cricket

"A cricket bat has a narrow handle and a broad flat end for hitting."

noun: a small racket with a long handle used for playing squash

verb: wink briefly

"Bat one's eyelids."

verb: beat thoroughly and conclusively in a competition or fight

verb: strike with, or as if with a baseball bat

"Bat the ball."

verb: use a bat

"Who's batting?."

verb: have a turn at bat

"Jones bats first, followed by Martinez."