black vultureDefinition of black vulture noun 1a very large Old World vulture with blackish-brown plumage, now rare in Europe. Also called cinereous vulture.Aygypius monachus, family Accipitridae 2a New World vulture with black plumage and a bare black head. Coragyps atratus, family Cathartidae black vulture in other Oxford dictionaries Definition of black vulture in the US English dictionary