Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun nightstick
1 sense of nightstick
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")