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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1920
First Known Use of submachine gun
1920
SUBMACHINE GUN Defined for English Language Learners
submachine gun
play
noun
Definition of submachine gun for English Language Learners
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: a small, light machine gun
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See words that rhyme with submachine gun Britannica.com: Encyclopedia article about submachine gun
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