- Geol. a mass or sheet of rock that has been moved horizontally by geologic forces
- Geom. either of the two identical portions of a cone (sense ) that meet at the vertex: each portion is equivalent to a right circular cone
Origin of nappeFr, literally , tablecloth from Old French (see napkin): origin, originally referring to a sheet of water passing over a dam
- A sheet of water flowing over a dam or similar structure.
- Geology A large sheetlike body of rock that has been moved far from its original position.
- Mathematics Either of the two parts into which a cone is divided by the vertex.
Origin of nappeFrench tablecloth, nappe from Old French tablecloth from Latin mappa napkin ; see map .
- The profile of a body of water flowing over an obstruction in a vertical drop.
- (mathematics) Either of the two parts of a double cone.
- (geology) A sheet-like mass of rock that has been folded over adjacent strata.
- (hydraulics) Nappe, the underside of which is not in contact with the overflow structure and is at ambient atmospheric pressure.
- (cooking) The ability of a liquid to "coat the back of a spoon" or the act of coating a food.
- to nappe a leg of lamb with glaze.
From French nappe.