Word.ws English Dictionary

cwm

/kuːm/

cwm noun: a valley head created through glacial erosion and with a shape similar to an amphitheatre.

cwm: a valley head created through glacial erosion and with a shape similar to an amphitheatre
Image: Vyacheslav Argenberg, CC BY 4.0, via Wikimedia Commons

Noun (1)

cwm (plural cwms)

  1. A valley head created through glacial erosion and with a shape similar to an amphitheatre.
    • A fine glacier descends from Mount Longstaff. It has cut very deep and the walls stand at an angle of at least 50°. Otherwise, although there are many cwms on the lower ranges, the mountains themselves seem little carved.1913, Robert Falcon Scott, Scott's Last Expedition, Volume 1, Chapter 16
    Synonyms:
    cirque, combe, corrie

Noun (2) capitalized: CWM

CWM (countable and uncountable, plural CWMs)

  1. (abbreviation, countable, initialism) Initialism of Cincinnati water maze.
  2. (abbreviation, initialism, uncountable) Initialism of contemporary worship music.

Proper noun capitalized: Cwm

Cwm

  1. A village and community in Blaenau Gwent borough, Wales (OS grid ref SO1805).
  2. A small village and community in Denbighshire, Wales (OS grid ref SJ0677).

Synonyms of cwm

Forms of cwm

pluralcwms
pluralCWMs

Origin of cwm

Unadapted borrowing from Welsh cwm (“valley”). Doublet of combe.

From Welsh cwm.

Phrases with cwm

Words that rhyme with cwm

48 more rhymesFewer rhymes

Questions about cwm

What does cwm mean?
Cwm means a valley head created through glacial erosion and with a shape similar to an amphitheatre.
What part of speech is cwm?
Cwm can be a noun or a proper noun.
How do you pronounce cwm?
Cwm is pronounced /kuːm/ (UK).
What is the plural of cwm?
The plural of cwm is cwms.

Words near cwm in the dictionary

  1. cwierc
  2. cwiercs
  3. Cwik
  4. Cwiks
  5. Cwlth
  6. cwm
  7. Cwm Cadnant
  8. Cwm Capel
  9. Cwm Gwyn
  10. Cwm Silicon
  11. Cwm-mawr

Source and license

Adapted from Wiktionary: cwm (page history and authors); CWM (page history and authors); Cwm (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-cwm.wav.

Cite this entry: “cwm.” Word.ws, https://word.ws/cwm. Based on Wiktionary, CC BY-SA 4.0.