Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cottonmouth

1 sense of cottonmouth

Sense 1
water moccasin, cottonmouth, cottonmouth moccasin, Agkistrodon piscivorus -- (venomous semiaquatic snake of swamps in southern United States)
       => pit viper -- (New World vipers with hollow fangs and a heat-sensitive pit on each side of the head)