noun · verb · 6 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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UK:/nap/
rhymes with -ap
1
noun
Meaning 1
The profile of a body of water flowing over an obstruction in a vertical drop.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Either of the two parts of a double cone.
Definition source: English Wiktionary via Wiktextract
Topics: mathematics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A sheet-like mass of rock that has been folded over adjacent strata.
Definition source: English Wiktionary via Wiktextract
Topics: geography, geology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: thrust sheet
Antonyms: none provided
4
noun
Meaning 4
Geological nappe whose underside is not in contact with the overflow structure and is at ambient atmospheric pressure.
Definition source: English Wiktionary via Wiktextract