nappe

Definitions

• 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) Geological nappe whose underside 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, etc.