Definitions

from The Century Dictionary.

  • noun A round valley-head inclosed on all sides but one by steep slopes; a corrie; a cirque. The typical cwms of the Welsh mountains have been shaped by glacial erosion.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a steep-walled semicircular basin in a mountain; may contain a lake

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Welsh, valley.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Welsh cwm ("valley").

Examples

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