Medical Dictionary

water moccasin

noun water moc·ca·sin \-ˌmäk-ə-sən\

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

Illustration of WATER MOCCASIN


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears