A frigate bird in flight.
frigate bird definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of a family (Fregatidae) of large, tropical pelecaniform birds with extremely long wings and tail and a hooked beak: it commonly robs other birds of their prey
frigate bird definition by American Heritage Dictionary
Any of various tropical sea birds of the family Fregatidae that have long powerful wings, dark plumage, and a hooked beak and characteristically snatch food from other birds in flight. Also called man-o'-war bird.