A bull terrier playing in the water.
bull terrier 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 strong, active dog with a white coat, developed by crossing the bulldog and the terrier
bull terrier definition by American Heritage Dictionary
Any of a breed of dog having a short, usually white coat and a tapering muzzle, developed in England by crossing a bulldog with a now extinct breed of terrier.