1. (noun)truncheon, nightstick, baton, billy, billystick, billy club a short stout club used primarily by policemen Synonyms: truncheon, billy, baton, he-goat, wand, billy club, billystick, billy goat, nightstick
2. (noun)billy, billy goat, he-goat male goat Synonyms: truncheon, billy, baton, he-goat, billy club, billystick, billy goat, nightstick