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Definition of Jellyfish
1. Noun. Large siphonophore having a bladderlike float and stinging tentacles.
Exact synonyms: Man-of-war, Portuguese Man-of-war
Generic synonyms: Siphonophore
Group relationships: Genus Physalia, Physalia
Generic synonyms: Siphonophore
Group relationships: Genus Physalia, Physalia
2. Noun. Any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans.
Group relationships: Cnidaria, Coelenterata, Phylum Cnidaria, Phylum Coelenterata
Generic synonyms: Cnidarian, Coelenterate
Specialized synonyms: Aegina, Chrysaora Quinquecirrha
Generic synonyms: Cnidarian, Coelenterate
Specialized synonyms: Aegina, Chrysaora Quinquecirrha
Definition of Jellyfish
1. n. Any one of the acalephs, esp. one of the larger species, having a jellylike appearance. See Medusa.
Definition of Jellyfish
1. [n -ES]
Medical Definition of Jellyfish
1.