A Great Dane is also called a boarhound.
boarhound 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.
a Great Dane or other large dog used in hunting wild boar
boarhound definition by American Heritage Dictionary
A large dog, such as the Great Dane, used originally for hunting wild boars.