from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See cirque.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A valley head created through glacial erosion and with a shape similar to an amphitheatre.
from The Century Dictionary and Cyclopedia
- n. 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 WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a steep-walled semicircular basin in a mountain; may contain a lake
Welsh, valley.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Welsh cwm ("valley"). (Wiktionary)