Chicago piano

noun

The Thompson submachine gun.

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Meanings

nounChicago piano (plural Chicago pianos)

plural Chicago pianos

  1. slangengineeringThe Thompson submachine gun.
  2. slangengineeringA 1.1-inch anti-aircraft gun.
  3. slangengineeringA multiple 2-pounder gun pom pom anti-aircraft gun.

Synonyms & antonyms

Also see
chicago typewriter
Cite this entry
APA

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

MLA

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

Chicago

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

Source: Chicago piano on Wiktionary, CC BY-SA 4.0.