WordNet: machine gun

a rapidly firing automatic gun (often mounted)

• hypernym automatic firearm, automatic gun, automatic weapon

• hyponym automatic, automatic rifle, machine rifle

• hyponym Browning machine gun, Peacemaker

• hyponym Gatling gun

• hyponym Maxim gun

• hyponym Spandau

• hyponym submachine gun

machine gun

• (englanti) machine gun (derivationally related)
• (suomi) konekivääri (synonyymi)