Definition of roche moutonnée in English:

roche moutonnée

noun

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.

    • ‘This ice flow is also associated with striae and roches moutonnées in the valley north of Cadair Idris.’

Origin

Mid 19th century: French, literally ‘fleecy rock’.

Pronunciation

roche moutonnée

/rôSH/