WordNet sense 1 (a small racket with a long handle used for playing squash):

squash racket, squash racquet

WordNet sense 2 (the club used in playing cricket):

cricket bat

WordNet sense 3 (nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate):

chiropteran

WordNet sense 4 (beat thoroughly and conclusively in a competition or fight):

clobber, cream, drub, lick, thrash

WordNet sense 5 ((baseball) a turn trying to get a hit):

at-bat

WordNet sense 6 (wink briefly):

flutter