water moccasin

water moc·ca·sin

noun \-ˌmäk-ə-sən\

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

Illustration of WATER MOCCASIN

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