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Definition of Portuguese man-of-war
1. Noun. Large siphonophore having a bladderlike float and stinging tentacles.
Exact synonyms: Jellyfish, Man-of-war
Generic synonyms: Siphonophore
Group relationships: Genus Physalia, Physalia
Generic synonyms: Siphonophore
Group relationships: Genus Physalia, Physalia
Definition of Portuguese man-of-war
1. Noun. A floating colony of hydrozoans (''Physalia physalis'') attached to a float; it superficially resembles a jellyfish. ¹
¹ Source: wiktionary.com