noun Etymology: John T. Thompson died 1940 American army officer Date: 1920 a .45 caliber submachine gun with a drum or stick magazine, a pistol grip, and a detachable buttstock
THOMPSON SUBMACHINE GUN
Meaning of THOMPSON SUBMACHINE GUN in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012