Oystermouth

O1Y4S1T1E1R1M3O1U1T1H4
UK/ˈɔɪstəˌmaʊθ/US/ˈɔɪstɚˌmaʊθ/

proper noun

A coastal suburb in Mumbles community, in the city and county of Swansea, Wales (OS grid ref SS6188).

OriginWelsh Ystumllwynarth →
RareScrabble 19
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Meanings

proper noun
  1. A coastal suburb in Mumbles community, in the city and county of Swansea, Wales (OS grid ref SS6188).

Origin

  1. WelshYstumllwynarth
  2. EnglishOystermouth

A corruption of Welsh Ystumllwynarth. See oyster, mouth.

More words from Welsh

Full word history & related roots →
Cite this entry
APA

Oystermouth. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Oystermouth

MLA

“Oystermouth.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Oystermouth. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Oystermouth,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Oystermouth.

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