jellyfish Meaning, Definition & Usage
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noun large siphonophore having a bladderlike float and stinging tentacles
Portuguese man-of-war; man-of-war.
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noun any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans
WordNet
Jel"ly*fish` noun
Definitions
(Zoöl.) Any one of the acalephs, esp. one of the larger species, having a jellylike appearance. See Medusa .