(1)the largest flying birds in the western hemisphere
(2)西半球で最大の飛ぶ鳥
(3)any of various large diurnal birds of prey having naked heads and weak claws and feeding chiefly on carrion
(4)剥げた頭に弱いツメを持ち、主に死肉を主食とする各種の大型昼行性猛禽類の鳥の総称