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
verb: have a turn at bat
"Jones bats first, followed by Martinez."