water moccasin


the cottonmouth.
any of various similar but harmless snakes, as a water snake of the genus Nerodia.



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Origin of water moccasin

An Americanism dating back to 1815–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for water moccasin

  • The water-moccasin will not trouble you if you let him alone.

    Down South|Oliver Optic
  • The water-moccasin (Agkistrodon piscivorous) is dark chestnut-brown with darker markings.

  • The water-moccasin is about two feet in length, and has a circumference of five or six inches.

    Voyage of the Paper Canoe|Nathaniel H. Bishop

British Dictionary definitions for water moccasin

water moccasin


a large dark grey venomous snake, Agkistrodon piscivorus, of swamps in the southern US: family Crotalidae (pit vipers)Also called: cottonmouth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012