EAGLE (Aquila), a constellation. See ASTRONOMY.
White Eagle, a Polish order of knighthood, instituted in 1325 by Vladislaus V. on marrying his son Casimir to a daughter of the grand duke of Lithuania. The badge was a gold chain to which was suspended a silver eagle crowned.
Black Eagle, an order of knighthood, instituted in 1701 by the elector of Brandenburg, on his being crowned king of Prussia. The badge was an orange-coloured ribbon sustaining a black eagle.