siphonophore


si·pho·no·phore

noun
\sī-ˈfän-ə-ˌfō(ə)r, ˈsī-fə-nə-, -ˌf(ə)r\

Definition of SIPHONOPHORE

: any of an order (Siphonophora) of compound free-swimming or floating pelagic hydrozoans—see portuguese man-of-war

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