—n. 1. 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. Cf. bald eagle, golden eagle. 2. a figure or representation of an eagle, much used as an emblem: the Roman eagle. 3. a standard, seal, or the like bearing such a figure.
4. 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.
5. (cap.) 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.
6. a former gold coin of the U.S., issued until 1933, equal to 10 dollars, showing an eagle on its reverse.
7. Golf.a score of two below par for any single hole.
8. (cap.) Astron.the constellation Aquila.
9. Cards. a. a representation in green of an eagle, used on playing cards to designate a suit in the pack additional to the four standard suits.
b. a card of a suit so designated.
c. eagles,the suit itself.