Man-Of-War Meaning

Example: Used other than as an idiom: see man,‎ of,‎ war. (A military man.)
An armed naval vessel, primarily one armed with cannon and propelled by sails.
A jellyfish-like marine cnidarian of the family Physaliidae, a Portuguese man-of-war or Pacific man-of-war.
A man of war bird, a magnificent frigatebird.