cwm
noun [ C ] geology specialized uk/k?m/ us/k?m/
（尤指威尔士山中的）围谷，圈谷
a hollow area almost surrounded by steep slopes at the top of a glaciated valley, especially in the Welsh mountains
The scalloped cwms of the Brecon Beacons are a favourite launching site for hang-gliders and parascenders. 布雷肯比肯斯山中的圈谷有着扇贝形的边缘，大受滑翔机和牵引升空跳伞爱好者的青睐。
Synonym: cirque
- More examples
- My eyes were drawn up and across the cwm to the giant cliffs of Lliwedd soaring up to jagged summits.
- That's the cwm where the yew trees grow.
- Finally we breasted the saddle in the lower ridge, what in the Welsh mountains we would call the cwm.
- This was the approach for the early climbing expeditions, who knew this as the North Cwm.
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