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[From the white interior of its mouth.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Animals) another name for the water moccasin
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈkɒt nˌmaʊθ)

n., pl. -mouths (-ˌmaʊθs, -ˌmaʊðz)
a pit viper, Agkistrodon piscivorus, of southeastern U.S. swamps.
Also called water moccasin.
[1825–35, Amer.; so called from the whiteness of its lips and mouth]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cottonmouth - venomous semiaquatic snake of swamps in southern United Statescottonmouth - venomous semiaquatic snake of swamps in southern United States
pit viper - New World vipers with hollow fangs and a heat-sensitive pit on each side of the head
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
What he frequently described as chimeras (great sharks, alligators, rattlesnakes, and cottonmouths of incredible and often embellished dimensions, wild hogs with razor-sharp tusks, and more) clearly fascinated him.
brevis is endemic to Florida's Gulf Coast, as native as cottonmouths and cabbage palms.
The most common venomous snakes are all vipers, including various rattle-snakes, copperheads and cottonmouths Unless hunting around water, you're not likely to encounter a cottonmouth (aka "water moccasin").
"Cottonmouths are the most common snake that can be seen during this migration."
This group of snakes includes rattlesnakes (most common in western states), copperheads, cottonmouths, and water moccasins (more common in Midwest and South).
Gibbons and his assistants not only tried to provoke a strike by stepping near venomous cottonmouths in the wild, they actually picked them up with an artificial hand.
Oh, and don't forget the cottonmouths, alligators and webs of the Golden Silk Spider (a.k.a.
Grant and his girlfriend learned how to shoot guns and hunt, how to deal with more mosquitos than they'd ever seen in their lives, how to identify cottonmouths, how to effectively clear weeds for a garden, and how to make home repairs on a hundred-year-old house.
The very act that has fostered them their common name, cottonmouths, opening their mouths widely and thereby displaying the startlingly white interiors, is merely a way to make them more visible as their coloration blends easily with many backgrounds.
Ninety-nine percent of the snakes that bite them are pit vipers, whose Crotalidae family includes Copperheads, Cottonmouths (Water Moccasins), and more than a dozen species of rattlesnake.
Thirty species of reptiles (N=1909) were encountered, dominated by Alabama red-bellied turtles (N=734), Mississippi green water snakes (N=197), American alligators (N=177), ribbon snakes (N=156), mud turtles (N=136), and cottonmouths (N=99).
Cottonmouths (Agkistrodon piscivorus) are semi-aquatic vipers that range across the south-central United States from Texas to Florida northward through the Atlantic coastal plain to southern Virginia and through the Mississippi River drainage to Illinois and Missouri (Ernst and Ernst, 2003).