noun \ˈnap\

Definition of nappe

  1. 1 :  sheet 6

  2. 2 :  a large mass of rock thrust over other rocks

  3. 3 :  one of the two sheets that lie on opposite sides of the vertex and together make up a cone

Origin and Etymology of nappe

French, tablecloth, sheet, nappe, from Old French nape — more at napkin

First Known Use: 1879

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