Definitions of eagle:

• noun:   any of various large keen-sighted diurnal birds of prey noted for their broad wings and strong soaring flight
• noun:   an emblem representing power

  Example: "The Roman eagle"

• noun:   a former gold coin in the United States worth 10 dollars
• noun:   (golf) a score of two strokes under par on a hole
• verb:   shoot in two strokes under par
• name:  A surname (rare: 1 in 33333 families; popularity rank in the U.S.: #4397)