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Definition of Medusoid
1. Noun. One of two forms that coelenterates take: it is the free-swimming sexual phase in the life cycle of a coelenterate; in this phase it has a gelatinous umbrella-shaped body and tentacles.
Exact synonyms: Medusa, Medusan
Group relationships: Cnidaria, Coelenterata, Phylum Cnidaria, Phylum Coelenterata
Generic synonyms: Cnidarian, Coelenterate
Group relationships: Cnidaria, Coelenterata, Phylum Cnidaria, Phylum Coelenterata
Generic synonyms: Cnidarian, Coelenterate
2. Adjective. Relating to or resembling a medusa.
Partainyms: Medusa
Definition of Medusoid
1. a. Like a medusa; having the fundamental structure of a medusa, but without a locomotive disk; -- said of the sessile gonophores of hydroids.
Definition of Medusoid
1. medusa [n -S] - See also: medusa
Medical Definition of Medusoid
1.