mou·ton·née(mo͞o′tə-nā′) also mou·ton·néed (-nād′)
Rounded by glacial action into a shape likened to a sheep's back. Used of a rock formation.
[Short for French roche moutonnée : roche, rock + moutonnée, fleecy, past participle of moutonner, to make fleecy (from mouton, sheep; see mouton).]
(Physical Geography) pertaining to a rock formation that has been rounded by the action of glacier