Function: noun
Inflected Form: plural Portuguese man-of-wars also Portuguese men-of-war
Date: 1707
: any of a genus ( Physalia of the family Physaliidae) of large tropical and subtropical pelagic siphonophores having a crested bladderlike float which bears the colony comprised of three types of zooids on the lower surface with one of the three having nematocyst-equipped tentacles
Portuguese man-of-war