Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun billy

2 senses of billy

Sense 1
truncheon, nightstick, baton, billy, billystick, billy club -- (a short stout club used primarily by policemen)
       => club -- (stout stick that is larger at one end; "he carried a club in self defense"; "he felt as if he had been hit with a club")

Sense 2
billy, billy goat, he-goat -- (male goat)
       => goat, caprine animal -- (any of numerous agile ruminants related to sheep but having a beard and straight horns)