submachine gun

US /ˈsʌb.mə.ʃiːn ˌɡʌn/
UK /ˈsʌb.mə.ʃiːn ˌɡʌn/
"submachine gun" picture
1.

pistolet-mitrailleur, mitraillette

a light automatic gun firing pistol-caliber ammunition, designed for close-quarters combat.

:
The police officer carried a submachine gun during the raid.
L'officier de police portait un pistolet-mitrailleur pendant le raid.
The soldiers were equipped with rifles and submachine guns.
Les soldats étaient équipés de fusils et de pistolets-mitrailleurs.