Medical Dictionary

Portuguese man–of–war

noun Por·tu·guese man–of–war \ˌpr-chə-ˌgēz-ˌman-əv-ˈwr\
plural Portuguese man–of–wars \-ˈwrz\ also Portuguese men–of–war \-ˌmen-əv-ˈwr\

Medical Definition of PORTUGUESE MAN-OF-WAR

:  any siphonophore of the genus Physalia including large tropical and subtropical oceanic forms having a crested bladderlike float which bears a colony comprised of three types of zooids on the lower surface with one of the three having stinging tentacles

Illustration of PORTUGUESE MAN-OF-WAR

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