Roche-moutonnee meaning

rôsh mo͝otn-ā, mo͝otô-nā
An elongate mound of bedrock worn smooth and rounded by glacial abrasion.
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A bare hummock of rock, usually smoothed on the upstream side and grooved on the other by glacial action.
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An elongate mound of bedrock worn smooth and rounded by glacial abrasion. A roche moutonnée has a long axis parallel to the direction of glacial movement, a gently sloping, striated side facing the direction from which the glacier originated, and a steeper side facing the direction of glacial movement. The height, length, and width of roche moutonnées are on the order of a few meters (tens of feet).
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(geography) A rocky hillock which has been shaped by glacial erosion.
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Origin of roche-moutonnee

  • French roche rock moutonné fleecy

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French roche moutonnée, from roche (“rock") + moutonnée (“wavy").

    From Wiktionary