nappe /nap/noun 5verb 1forms 3 noun5 •A sheet-like mass of rock that has been folded over adjacent strata.The generation of an Alpine mountain range is a matter of piling on the nappes. — 2004 •The ability of a sauce or other relatively thick liquid to coat food, the back of a spoon, etc. •The profile of a body of water flowing over an obstruction in a vertical drop. •Geological nappe whose underside is not in contact with the overflow structure and is at ambient atmospheric pressure. •Either of the two parts of a double cone. verb1 •To coat (a food) with liquid. formsnapped · napping · nappes
