Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
any of various small, nocturnal, long-tailed mice (family Heteromyidae) with fur-lined cheek pouches for carrying food to their burrows: found in W and SW North America
Used by arrangement with John Wiley & Sons, Inc.
nounThe 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.
Any of various small, nocturnal North American burrowing rodents of the genus Perognathus, related to the kangaroo rat and having fur-lined external cheek pouches, small ears, and a long tail.