{ ‖Cœ‐len″te‐ra (?) or‖Cœ‐len′te‐ra″ta, } n. pl. [NL., fr. Gr. κοι̑λοσ hollow + � intestines.] (Zoöl.) A comprehensive group of Invertebrata, mostly marine, comprising the Anthozoa, Hydrozoa, and Ctenophora. The name implies that the stomach and body cavities are one. The group is sometimes enlarged so as to include the sponges.
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Webster's Dictionary 1913
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.