trench broom

noun

The Thompson submachine gun.

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Meanings

nountrench broom (plural trench brooms)

plural trench brooms

  1. slangThe Thompson submachine gun.

Synonyms & antonyms

Also see
submachine gunthompson submachine gun

Origin

From its ability to clear out military trenches.

Full word history & related roots →
Cite this entry
APA

trench broom. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/trench%20broom

MLA

“trench broom.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/trench%20broom. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “trench broom,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/trench%20broom.

Source: trench broom on Wiktionary, CC BY-SA 4.0.