Portuguese man-of-war

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Portuguese man-of-war:

see jellyfishjellyfish,
common name for the free-swimming stage (see polyp and medusa), of certain invertebrate animals of the phylum Cnidaria (the coelenterates). The body of a jellyfish is shaped like a bell or umbrella, with a clear, jellylike material filling most of the space between
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; polyp and medusapolyp and medusa,
names for the two body forms, one nonmotile and one typically free swimming, found in the aquatic invertebrate phylum Cnidaria (the coelenterates). Some animals of this group are always polyps, some are always medusae, and some exhibit both a polyp and a medusa
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Portuguese man-of-war

[‚pȯr·chə′gēz ¦man əv ′wȯr]
(invertebrate zoology)
Any of several brilliantly colored tropical siphonophores in the genus Physalia which possess a large float and extremely long tentacles.

Portuguese man-of-war

a long tentacled jellyfish whose sting can be deadly. [Zoology: NCE, 1408]

Portuguese man-of-war

any of several large complex colonial hydrozoans of the genus Physalia, esp P. physalis, having an aerial float and long stinging tentacles: order Siphonophora