GNU Collaborative International Dictionary of English

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1.       
   ‖Crinoidea , n. pl. [NL., from Gr. κρίνον lily + -oid: cf. F. crinoïde.] (Zool.) A large class of Echinodermata, including numerous extinct families and genera, but comparatively few living ones. Most of the fossil species, like some that are recent, were attached by a jointed stem. See Blastoidea, Cystoidea, Comatula.
   1913 Webster