WordReference Random House Learner's Dictionary of American English © 2026
Tom•my gun /ˈtɑmi ˌgʌn/USA pronunciation  n. [countable]
  1. Militarya kind of submachine gun.

WordReference Random House Unabridged Dictionary of American English © 2026
Tom′my gun′, 
    1. See Thompson submachine gun.
    2. any submachine gun.
    • by shortening 1920–25

Collins Concise English Dictionary © HarperCollins Publishers::
Tommy gun
  1. an informal name for Thompson sub-machine-gun
'Tommy gun' also found in these entries (note: many are not synonyms or translations):
Thompson submachine gun

Forum discussions with the word(s) "Tommy gun" in the title:


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