From French roche moutonnée, from roche (“rock”) + moutonnée (“wavy”).
roche moutonnée (plural roches moutonnées)
- (geography, glaciology) A rock formation created by glacial erosion.
- Synonym: sheepback
- 2004, Richard Fortey, The Earth, Folio Society 2011, p. 100:
- Some are obviously roches moutonnées, polished and shaped by the ice-sheet that covered this whole landscape during the last million years of the Pleistocene ice age – a geological yesterday compared with the formation of the Alpine chain itself.