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cottonmouth

[kot-n-mouth] /ˈkɒt nˌmaʊθ/
noun, plural cottonmouths
[kot-n-mouths, -mouth z] /ˈkɒt nˌmaʊθs, -ˌmaʊðz/ (Show IPA)
1.
a venomous snake, Agkistrodon (Ancistrodon) piscivorus, of swamps in southeastern U.S., that grows to about 4 feet (1.2 meters).
Also called water moccasin.
Origin
1825-1835
1825-35, Americanism; cotton + mouth, so called from the whiteness of its lips and mouth
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for cotton-mouth

cottonmouth

/ˈkɒtənˌmaʊθ/
noun
1.
another name for the water moccasin
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
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