Thompson sub-machine-gun

British

noun

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

"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

Etymology

Origin of Thompson sub-machine-gun

C20: after John T. Thompson (1860–1940), US Army Officer, its coinventor

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023