From WordNet (r) 3.0 (2006):
bat
n 1: nocturnal mouselike mammal with forelimbs modified to form
membranous wings and anatomical adaptations for
echolocation by which they navigate [syn: bat,
chiropteran]
2: (baseball) a turn trying to get a hit; "he was at bat when it
happened"; "he got four hits in four at-bats" [syn: bat,
at-bat]
3: a small racket with a long handle used for playing squash
[syn: squash racket, squash racquet, bat]
4: the club used in playing cricket; "a cricket bat has a narrow
handle and a broad flat end for hitting" [syn: cricket bat,
bat]
5: a club used for hitting a ball in various games
v 1: strike with, or as if with a baseball bat; "bat the ball"
2: wink briefly; "bat one's eyelids" [syn: bat, flutter]
3: have a turn at bat; "Jones bats first, followed by Martinez"
4: use a bat; "Who's batting?"
5: beat thoroughly and conclusively in a competition or fight;
"We licked the other team on Sunday!" [syn: cream, bat,
clobber, drub, thrash, lick]