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Meaning of Radiata

Ra•di•a•ta

Pronunciation: (rā"dē-ā'tu, -ä'tu), [key]
— n. Biol.
  1. (in some classification systems) a major grouping that includes more or less radially symmetrical animals, as coelenterates (jellyfish, sea anemones, corals), ctenophores (comb jellies), and echinoderms (starfish, sea urchins, sea cucumbers).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.