Great Pyrenees definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of a breed of large dog, bearlike in appearance, with a long, thick white coat, but falling ears, originally used in the Pyrenees to guard sheep and as a guide in snowy regions, now usually kept as a watchdog
Great Pyrenees definition by American Heritage Dictionary
Any of a breed of large, heavy-boned dogs having a thick white coat and originally developed to guard sheep.