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n. A shape resembling a jellyfish.

n. A jellyfish.

n. jellyfish

adj. Having the shape of a jellyfish

adj. Like a medusa; having the fundamental structure of a medusa, but without a locomotive disk; -- said of the sessile gonophores of hydroids.

Like a medusa; resembling a medusa in form or function; medusiform: as, a medusoid bud; the medusoid organization. Sometimes acalephoid.

n. The medusiform generative bud or receptacle of the reproductive elements of a hydrozoan, whether it becomes detached or not.

n. Loosely, any medusa, medusidan, or medusoid organism.

n. 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

adj. relating to or resembling a medusa

"Furnished with these facts, it is not difficult to recognize true beroidal forms in the embryos of sea-urchins and star-fishes, published by Muller in his beautiful plates, and thus to trace the medusoid origin of the echinoderms, as the polypoid origin of the medusae has already been recognized."

coelenterate    cnidarian   

medusoid bud