- a detachable, daggerlike blade put on the muzzle end of a rifle, for hand-to-hand fighting
- a part like a bayonet in shape, manner of attachment, etc.
Fr bayonnette, after Bayonne, France (see Bayonne), where first made
transitive verb, intransitive verb bayoneted or bayonetted, bayoneting or bayonetting
to stab, prod, or kill with a bayonet