otacousticon

O1T1A1C3O1U1S1T1I1C3O1N1
UK/əʊtəˈkuːstɪkɒn/

noun

An instrument to aid hearing, such as an ear trumpet or hearing aid.

OriginAncient Greek οὖς →
Scrabble 16
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Meanings

nounotacousticon (plural otacousticons)

plural otacousticons

  1. archaicAn instrument to aid hearing, such as an ear trumpet or hearing aid.

    […]Gyges' invisible ring, or some rare perspective glass, or otacousticon, which would so multiply species that a man might hear and see all at once[…].

    1621, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy, New York: New York Review Books, published 2001, →ISBN, page 69

Synonyms & antonyms

Also see
ear trumpet

Origin

  1. Ancient Greekοὖς“ear”
  2. Englishotacousticon

From combining form of Ancient Greek οὖς (oûs, “ear”) + ἀκουστικόν (akoustikón), neuter of ἀκουστικός (akoustikós, “acoustic”).

More words from Ancient Greek

Full word history & related roots →
Cite this entry
APA

otacousticon. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/otacousticon

MLA

“otacousticon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/otacousticon. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “otacousticon,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/otacousticon.

Source: otacousticon on Wiktionary, CC BY-SA 4.0.