mouth organ

US/maʊθ ˈoɹɡən/

noun

A free reed aerophone, in the Western tradition commonly the harmonica.

Similar
harmonicaharpmouth harp
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Meanings

nounmouth organ (plural mouth organs)

plural mouth organs · alternative mouthorgan · alternative mouth-organ

  1. entertainmentA free reed aerophone, in the Western tradition commonly the harmonica.

Synonyms & antonyms

nouna small rectangular free-reed instrument having a row of free reeds set back in air holes and played by blowing into the desired hole

Similar
harmonicaharpmouth harp
Broader
free-reed instrument
Also see
harmonicaharpjew's harpmouth harp

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From mouth + organ.

Full word history & related roots →

Translations

German Mundorgel
  • Mundorgelfree-reed aerophone — see also harmonica
Cite this entry
APA

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

MLA

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

Chicago

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

Source: mouth organ on Wiktionary, CC BY-SA 4.0.