Sea″ ea″gle (?). 1. (Zoöl.) Any one of several species of fish-eating eagles of the genus Haliæetus and allied genera, as the North Pacific sea eagle (H. pelagicus), which has white shoulders, head, rump, and tail; the European white-tailed eagle (H. albicilla); and the Indian white-tailed sea eagle, or fishing eagle (Polioaëtus ichthyaëtus). The bald eagle and the osprey are also sometimes classed as sea eagles.
2. (Zoöl.) The eagle ray. See under Ray.