Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a giant, primitive, edible salamander (Cryptobranchus alleganiensis, family Cryptobranchidae) with lidless eyes, found esp. in the Ohio valley
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A large aquatic salamander (Cryptobranchus alleganiensis) of the eastern and central United States. Also called mudpuppy.