Cirque

n.	1.
	1.	A circle; a circus; a circular erection or arrangement of objects. A dismal cirque Of Druid stones upon a forlorn moor. - Keats.
	2.	A kind of circular valley in the side of a mountain, walled around by precipices of great height.

Noun

1.

cirque - a steep-walled semicircular basin in a mountain; may contain a lake Synonyms: corrie, cwm

basin, corrie, cwm