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Definition of tommy gun noun from the Oxford Advanced Learner's Dictionary

tommy gun

noun
 
/ˈtɒmi ɡʌn/
 
/ˈtɑːmi ɡʌn/
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  1. a type of sub-machine gun
    Word Origin1920s: contraction of Thompson gun, named by its designer after John T. Thompson (1860–1940), the American army officer who conceived the idea for it.
See tommy gun in the Oxford Advanced American Dictionary
proverb
noun
 
 
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Language
B2
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