wolfhound

Any of various large dogs, such as the Irish wolfhound or the borzoi, originally bred to hunt wolves or other large game.

A dog used in hunting wolves.

Originally, a large hound used in hunting wolves; now, any one of certain breeds of large dogs, some of which are nearly identical with the great Danes.

A dog of one of various breeds originally developed to hunt wolves.

the largest breed of dogs; formerly used to hunt wolves