Medical Definition of water moccasin
: a venomous semiaquatic pit viper (Agkistrodon piscivorus) of the southern United States closely related to the copperhead—called also cottonmouth, cottonmouth moccasin
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Dictionary: Definition of "water moccasin" Spanish Central: Translation of "water moccasin" Nglish: Translation of "water moccasin" for Spanish speakers Britannica.com: Encyclopedia article about "water moccasin"
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