Sheepback \Sheep"back`\, n. (Geol.) A rounded knoll of rock resembling the back of a sheep. -- produced by glacial action. Called also {roche moutonn['e]e}; -- usually in the plural. [1913 Webster]
Roche moutonn'ee \Roche" mou`ton`n['e]e"\ [F., sheep-shaped rock.] (Geol.) See {Sheepback}. [1913 Webster]