crinoid

cri·noid  (krnoid)

n.

Any of various echinoderms of the class Crinoidea, including the sea lilies and feather stars, that are characterized by a cup-shaped body, feathery radiating arms, and either a stalk or clawlike structure with which they are able to attach to a surface.

adj.

Of or belonging to the Crinoidea.

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[From New Latin Crinodea, class name : Greek krinon, lily + Greek -oeids, -oid.]

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crinoid  (krnoid)

Any of various marine echinoderms of the class Crinoidea. Crinoids have a cup-shaped body with five or more feathery arms and sometimes a stalk for attachment to a surface. The arms contain reproductive organs and sensory tube feet. Crinoids were common during the Paleozoic Era and are important index fossils. Sea lilies and feather stars are types of crinoids.

Thesaurus

Noun	1.	crinoid - primitive echinoderms having five or more feathery arms radiating from a central disk echinoderm - marine invertebrates with tube feet and five-part radially symmetrical bodies class Crinoidea, Crinoidea - sea lilies 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
Adj.	1.	crinoid - of or relating to or belonging to the class Crinoidea