bat in WordNet English dictionary

1. (baseball) a turn trying to get a hit
   "he was at bat when it happened"; "he got four hits in four at-bats"
   bat  at-bat 
   
2. nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate
   bat  chiropteran 
   
3. a club used for hitting a ball in various games
   bat 
   
4. the club used in playing cricket
   "a cricket bat has a narrow handle and a broad flat end for hitting"
   cricket bat  bat 
   
5. a small racket with a long handle used for playing squash
   squash racket  squash racquet  bat 
   

1. wink briefly
   "bat one's eyelids"
   bat  flutter 
   
2. beat thoroughly and conclusively in a competition or fight
   "We licked the other team on Sunday!"
   cream  bat  clobber  drub  thrash  lick 
   
3. strike with, or as if with a baseball bat
   "bat the ball"
   bat 
   
4. use a bat
   "Who's batting?"
   bat 
   
5. have a turn at bat
   "Jones bats first, followed by Martinez"
   bat