Definition of "cottonmouth" []

• See water moccasin. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Since I like trivia (and snakes), I learned how to tell a water snake from a poisonous water moccasin (also known as a cottonmouth)."
• "Wells said the snake looked like a cottonmouth, which is poisonous."
• "Wells says the snake looked like a cottonmouth, which is poisonous."