Thompson submachine gun


noun
  1. a portable, .45-caliber, automatic weapon designed to be fired from the shoulder or hip.

Origin of Thompson submachine gun

1
1920–25; named after J. T. Thompson (1860–1940), American army officer who aided in its invention

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British Dictionary definitions for Thompson sub-machine-gun

Thompson sub-machine-gun

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

Origin of Thompson sub-machine-gun

1
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