Definition of Siphonophora in English:

Siphonophora

Syllabification: Si·pho·noph·o·ra
Pronunciation: /ˌsīfəˈnäfərə
 
/
Zoology
An order of colonial marine coelenterates that includes the Portuguese man-of-war, having a float or swimming bell for drifting or swimming on the open sea.
More example sentences
  • These creatures are probably relatives of the Siphonophora, an order of colonial cnidarians that includes the venomous ‘Portuguese man-o-war’.
  • Jones' last publication on the subject of marine life was on the morphology and relationships of the Siphonophora.
  • The Portuguese man-of-war is actually any of various invertebrate, jelly-like marine animals of the family Siphonophora.

Origin

modern Latin (plural), from Greek siphōn 'tube' + pherein 'to bear'.

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excessive pride or self-confidence