Dictionary
submachine gun
noun sub·ma·chine gun \ˌsəb-mə-ˈshēn-ˌgən\
: a small, light machine gun
Full Definition of SUBMACHINE GUN
: a portable automatic firearm that uses pistol-type ammunition and is fired from the shoulder or hip
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First Known Use of SUBMACHINE GUN
1920
Rhymes with SUBMACHINE GUN
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