any of several large, soaring birds of prey belonging to the hawk family Accipitridae, noted for their size, strength, and powers of flight and vision: formerly widespread in North America, eagles are mostly confined to Alaska and a few isolated populations. Compare bald eagle, golden eagle.
a figure or representation of an eagle, much used as an emblem: the Roman eagle.
a standard, seal, or the like bearing such a figure.
one of a pair of silver insignia in the shape of eagles with outstretched wings worn by a colonel in the U.S. Army, Air Force, and Marine Corps and by a captain in the U.S. Navy.
(initial capital letter) a gold coin of the U.S., traded for investment, available in denominations of 5, 10, 25, and 50 dollars containing 1/10 to 1 troy ounce of gold, having on its reverse a picture of an eagle: first issued in 1986.