Frigate bird Meaning, Definition & Usage

  1. noun long-billed warm-water seabird with wide wingspan and forked tail
    man-of-war bird.

WordNet

Definitions
  1. (Zoöl.), a web-footed rapacious bird, of the genus Fregata; called also man-of-war bird, and frigate pelican. Two species are known; that of the Southern United States and West Indies is F. aquila. They are remarkable for their long wings and powerful flight. Their food consists of fish which they obtain by robbing gulls, terns, and other birds, of their prey. They are related to the pelicans.

Webster 1913