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water moccasin

American  

noun

  1. the cottonmouth.

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


water moccasin British  

noun

  1. Also called: cottonmouth.  a large dark grey venomous snake, Agkistrodon piscivorus, of swamps in the southern US: family Crotalidae (pit vipers)

"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

Etymology

Origin of water moccasin

An Americanism dating back to 1815–25

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A water moccasin may glide silently past, and a few times we’ve seen iridescent alligator eyes peering out at us before they sank back down into the depths.

From Los Angeles Times • Feb. 2, 2023

“He was kind of a grumpy snake, and everybody was going, ‘Omigod, omigod, it's a water moccasin, kill it!’” she recollects.

From Scientific American • Sep. 18, 2022

Apart from having the moral imagination of a water moccasin, in other words, Rupert Murdoch's just a terrific guy.

From Salon • Jul. 14, 2011

Just this week Billy, a funny, gonzo fellow in Louisiana whose last name is Bretherton, dealt with someone’s water moccasin infestation.

From New York Times • Apr. 21, 2010

A water moccasin swam past, a dark head trailing a V-shaped ripple.

From "Out of Darkness" by Ashley Hope Pérez

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