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

2 senses of water moccasin

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)

Sense 2
water moccasin -- (any of numerous North American water snakes inhabiting fresh waters)
       => water snake -- (any of various mostly harmless snakes that live in or near water)