1. (

• bat ,
• chiropteran

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

2. (

• bat ,
• at-bat

) (baseball) a turn trying to get a hit; "he was at bat when it happened"; "he got four hits in four at-bats" ;

3. (

• squash_racket ,
• squash_racquet ,
• bat ,

) a small racket with a long handle used for playing squash ;

4. (

• cricket_bat ,
• bat ,

) the club used in playing cricket; "a cricket bat has a narrow handle and a broad flat end for hitting" ;

5. (

• bat

) a club used for hitting a ball in various games ;

1. (

• bat ,

) strike with, or as if with a baseball bat; "bat the ball" ;

2. (

• bat ,
• flutter

) wink briefly; "bat one's eyelids" ;

3. (

• bat ,

) have a turn at bat; "Jones bats first, followed by Martinez" ;

4. (

• bat ,

) use a bat; "Who's batting?" ;

5. (

• cream ,
• bat ,
• clobber ,
• drub ,
• thrash ,
• lick ,

) beat thoroughly and conclusively in a competition or fight; "We licked the other team on Sunday!" ;

1. (

• balmy ,
• barmy ,
• bats ,
• batty ,
• bonkers ,
• buggy ,
• cracked ,
• crackers ,
• daft ,
• dotty ,
• fruity ,
• haywire ,
• kooky ,
• kookie ,
• loco ,
• loony ,
• loopy ,
• nuts ,
• nutty ,
• round_the_bend ,
• around_the_bend ,
• wacky ,
• whacky

) informal or slang terms for mentally irregular; "it used to drive my husband balmy" ;