Sea eagle \Sea" ea"gle\ 1. (Zool.) Any one of several species of fish-eating eagles of the genus {Haliaeetus} and allied genera, as the North Pacific sea eagle ({Haliaeetus pelagicus}), which has white shoulders, head, rump, and tail; the European white-tailed eagle ({Haliaeetus albicilla}); and the Indian white-tailed sea eagle, or fishing eagle ({Polioaetus ichthyaetus}). The bald eagle and the osprey are also sometimes classed as sea eagles. [1913 Webster] 2. (Zool.) The eagle ray. See under {Ray}. [1913 Webster]