Man-of-war
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A government vessel employed for the purposes of war, esp. oneof large size; a ship of war. Man-of-war bird (Zoöl.), The frigatebird; also applied to the skua gulls, and to the wandering albatross.-- Man-of-war hawk (Zoöl.), the frigate bird.-- Man-of-war's man, a sailor serving in a ship of war.-- Portuguese man-of-war (Zoöl.), any species of the genus Physalia.See Physalia.
Man-of-war meaning & definition 1 of Man-of-war.