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1. Informal or slang term for mentally irregular
   - balmy [archaic], barmy, batty, bonkers, buggy [N. Amer], cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky, daft as a brush [Brit], wacko, round the twist [Brit]

1. Nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate
   - 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"
   - at-bat
    
3. A small racket with a long handle used for playing squash
   - squash racket, squash racquet
    
4. The club used in playing cricket
   "a cricket bat has a narrow handle and a broad flat end for hitting"
   - cricket bat
    
5. A club used for hitting a ball in various games

1. Strike (a ball in a game) with a baseball, cricket or other type of bat
   "bat the ball"
    
2. Wink briefly
   "bat one's eyelids"
   - 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 batted the other team on Sunday!"
   - cream, clobber, drub, thrash, lick, trounce, slaughter, beat hollow, muller [Brit], smoke [N. Amer], wipe the floor, hammer

See also: batter, batting, insane

Type of: beat, beat out, blink, club, cricket equipment, crush, eutherian, eutherian mammal, hit, nictate, nictitate, placental, placental mammal, play, racket, racquet, shell, trounce, turn, vanquish, wink

Part of: Chiroptera, order Chiroptera

Encyclopedia: Bat Bat, leaf nosed