Any of various large diurnal birds of prey of the family Accipitridae, including members of the genera Aquila and Haliaeetus, characterized by broad wings, a hooked bill, keen vision, and soaring flight, A representation of such a bird carried as an emblem, a former gold coin in the United States worth 10 dollars, verb_ shoot in two strokes under par, shoot two strokes under par, intransitive verb_ To shoot (a hole in golf) in two strokes under par, To score an eagle in golf