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Thompson submachine gun

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noun
a portable, .45-caliber, automatic weapon designed to be fired from the shoulder or hip.
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Also called Tommy gun.

Origin of Thompson submachine gun

1920–25; named after J. T. Thompson (1860–1940), American army officer who aided in its invention
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use Thompson submachine gun in a sentence

British Dictionary definitions for Thompson submachine gun

Thompson sub-machine-gun

noun
trademark a .45 calibre sub-machine-gunAlso called: Tommy gun

Word Origin for Thompson sub-machine-gun

C20: after John T. Thompson (1860–1940), US Army Officer, its coinventor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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