"Pit bull dog" means any pit bull terrier. "Pit bull terrier" means any American pit bull terrier, Staffordshire bull terrier, American bulldog or American Staffordshire terrier breed of dog or any mixed breed of dog which contains as an element of its breeding the breed of American pit bull terrier, Staffordshire bull terrier, American bulldog or American Staffordshire terrier so as to be identifiable as partially of the breed American pit bull terrier, Staffordshire bull terrier, American bulldog or American Staffordshire terrier. (Ord. 2004-32 § 1, 2004: Ord. 2001-32 § 1, 2001: Ord. 98-27 § 1, 1998: Ord. 3034 § 1 (part), 1987).