bayonet

BA'YONET, n. A short pointed instrument of iron or broad dagger, formerly with a handle fitted to the bore of a gun, where it was inserted for use, after the soldier had fired; but now made with an iron handle and ring which go over the muzzle of the piece, so that the soldier fires with his bayonet fixed.

BA'YONET, v.t. To stab with a bayonet.