medusoid adjective & noun. [mɪ'dju:sɔɪd] M19.
[from MEDUSA + -OID.]
Zoology.
A. adjective. Resembling a jellyfish or medusa; designating or pertaining to the reproductive, usu. free-swimming, stage of many coelenterates, in which the animal has a more or less domed shape with a central, downward-facing mouth and one or more rings of tentacles. M19.
b. noun. A medusoid coelenterate; in some hydrozoans, a medusoid reproductive bud. Cf. HYDROID. M19.

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