Definition

A large sheet of water or rock that covers a surface, often used in geology and mathematics to describe specific formations or structures.

Example

The nappe of water cascaded over the dam, creating a beautiful waterfall.

Conversation

Did you see that huge nappe of rock on our hike yesterday?

Yeah, it was impressive how it just towered over everything else.

I wonder how long it took for that nappe to form.

Probably millions of years — nature is pretty amazing!

Synonyms & Antonyms

Root Explanation

Nappe comes from Old French *nape*, meaning a cloth or covering. The word refers specifically to a tablecloth or a covering for a table.

Memory Tip

Think of a cloth that covers a table — that's what a nappe is, derived from the Old French word for a covering.

Visually Confused Words