crinoid

Definitions of crinoid
  1. adjective
    of or relating to or belonging to the class Crinoidea
  2. noun
    primitive echinoderms having five or more feathery arms radiating from a central disk
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    types:
    sea lily
    crinoid with delicate radiating arms and a stalked body attached to a hard surface
    comatulid, feather star
    free-swimming stalkless crinoid with ten feathery arms; found on muddy sea bottoms
    type of:
    echinoderm
    marine invertebrates with tube feet and five-part radially symmetrical bodies
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