noun · 4 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.
Sound
Pronunciation
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CMU ARPABET:K AA1 T AH0 N M AW2 TH
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
An oral dryness often associated with certain medicines and recreational drugs.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: medicine, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A snake, Agkistrodon piscivorus, the water moccasin.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A snake, Agkistrodon contortrix mokasen, the northern copperhead.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
venomous semiaquatic snake of swamps in southern United States
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: water moccasin, cottonmouth moccasin, Agkistrodon piscivorus
Antonyms: none provided
Broader terms: pit viper
History
Etymology
From cotton + mouth.
Across languages
Translations
1 source translations are retained for this English entry.