EXAMPLES | WORD ORIGIN noun any echinoderm of the class Crinoidea, having a cup-shaped body to which are attached branched, radiating arms, comprising the sea lilies, feather stars, and various fossil forms. adjective belonging or pertaining to the Crinoidea. Origin of crinoid 1825–35;
) lily +
-oeidēs -oid Related forms cri·noi·dal, adjective non·cri·noid, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for crinoid Historical Examples of crinoid
Applied to the cup-shaped body of a
The ossicles, or plates which cover the dorsal surface, are free, making the
crinoid an animal of innumerable joints.
This subkingdom comprises at present such familiar forms as the
crinoid, the starfish, and the sea urchin.
The cystoid reaches its climax, but there appear now two higher types of echinoderms,—the
crinoid and the starfish.
The clay came into notice late in the 18th century on account of the local abundance of the
crinoid Apiocrinus Parkinsoni. British Dictionary definitions for crinoid noun any primitive echinoderm of the class Crinoidea, having delicate feathery arms radiating from a central disc. The group includes the free-swimming feather stars, the sessile sea lilies, and many stemmed fossil forms adjective of, relating to, or belonging to the Crinoidea shaped like a lily Derived Forms crinoidal, adjective Word Origin for crinoid
C19: from Greek
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for crinoid adj.
1836, Latinized from Greek
krinoeides "lily-like," from krinon "lily" (a foreign word of unknown origin) + -oeides "like" (see -oid).
Online Etymology Dictionary, © 2010 Douglas Harper
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.
The American Heritage® Science Dictionary
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