■ noun
1》 a long blade fixed to the muzzle of a rifle for use in hand-to-hand fighting.
2》 [as modifier ] denoting a type of fitting for a light bulb or other appliance which is pushed into a socket and then twisted into place.
■ verb ( ~s , ~ing , ~ed ) stab with a ~.
Origin
C17 (denoting a kind of short dagger): from Fr. baïonnette , from Bayonne , a town in SW France, where they were first made.