Breadcrumb Home > Dictionary > Index R Cite Radiata: Meaning and Definition of Find definitions for: Ra•di•a•ta Pronunciation: (rā"dē-ā'tu, -ä'tu), [key] — n. Biol. (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. radiant heating radiate TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News Noble Titles and Ranks in a Monarchy Chinese New Year History, Meaning, and Celebrations The Manchu The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: umbrage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language