noun
Abbreviation of 機関銃. Used in military, news, and technical contexts. Not the everyday word for machine gun; 機関銃 is more common in general use.
See also: 機関銃
戦闘機には機銃が搭載されている。
The fighter plane is equipped with machine guns.
艦艇の機銃掃射で
They shot down the enemy plane with the ship's machine-gun fire.