Definitions of griffon:

• noun:   breed of medium-sized long-headed dogs with downy undercoat and harsh wiry outer coat; originated in Holland but largely developed in France
• noun:   breed of various very small compact wiry-coated dogs of Belgian origin having a short bearded muzzle
• noun:   large vulture of southern Europe and northern Africa having pale plumage with black wings
• name:  A surname (very rare: popularity rank in the U.S.: #35693)