Thomp·son submachine gun
| \ ˈtäm(p)-sən-
\
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Definition of Thompson submachine gun
: a .45 caliber submachine gun with a drum or stick magazine, a pistol grip, and a detachable buttstock
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“Thompson submachine gun.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Thompson%20submachine%20gun. Accessed 14 Jun. 2021.
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Time Traveler for Thompson submachine gun
The first known use of Thompson submachine gun was in 1920
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