roche moutonnée
Concise Oxford English Dictionary © 2008 Oxford University Press:
roche moutonnée /ˌrɒʃ muːˈtɒneɪ/
▶noun (pl. roches moutonnées pronunc. same) Geology a small bare outcrop of rock shaped by glacial erosion, with one side smooth and gently sloping and the other steep, rough, and irregular.
– origin C19: Fr., lit. ‘fleecy rock’.
'roche moutonnée' also found in these Oxford entries:

