nappe

/næp/
noun
  1. A large sheet or layer of rock that has moved over other rock formations, usually as a result of folding or faulting.
    • Erosion exposed the edge of a massive nappe in the valley.
    • Geologists studied the nappe to understand the region's tectonic history.
    • The mountain range contains several overlapping nappes.
  2. A sheet or layer of liquid, such as water flowing over a weir or a thin coating of sauce on food.
    • A thin nappe of oil spread across the surface of the lake.
    • The chef carefully poured the sauce to create an even nappe on the plate.
    • The water formed a smooth nappe as it spilled over the dam.
Synonyms
What does "nappe" mean? | whatsthatwordmean | whatsthatwordmean