crinoidea Meaning, Definition & Usage

  1. noun sea lilies
    class Crinoidea.

WordNet

Cri*noid"e*a noun plural
Etymology
NL., from Gr. lily + -oid: cf. F. crinode.
Definitions
  1. (Zoöl.) 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.

Webster 1913