a bayonet with a swordlike blade and hilt, capable of use as a sword
sword bayonet in American English
a short sword that can be mounted on a rifle for use as a bayonet
sword bayonet in American English
noun
a short sword that may be attached to the muzzle of a gun and used as a bayonet
Word origin
[1835–45]This word is first recorded in the period 1835–45. Other words that entered Englishat around the same time include: catch-up, crosshead, ecumenical, grandstand, hybridize