Origin of cwm

1850–55; < Welsh: valley. See combe Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cwms

Historical Examples of cwms

  • The moaning of the wind in the great mountain gullies and cwms rendered the scene both awful and sublime.

  • The howling of the winds in the cwms and dingles which run down the p. 13mountain on every side was really appalling.

  • The break in the ridge may be reached either by following the ridge itself or from the cwms on either side of it.

  • These cwms are occasionally visited for the sake of the waterfalls, two or three of which are exceedingly fine.

British Dictionary definitions for cwms


  1. (in Wales) a valley
  2. geology another name for cirque (def. 1)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for cwms



1853, from Welsh cwm "coomb" (see coomb).

Online Etymology Dictionary, © 2010 Douglas Harper

cwms in Science


  1. See cirque.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.