WordReference Random House Unabridged Dictionary of American English © 2017
cri•noid  (krīnoid, krinoid),USA pronunciation n. 
  1. Invertebratesany 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.

adj. 
  1. Invertebratesbelonging or pertaining to the Crinoidea.
  2. lilylike.
cri•noidal, adj. 
  • Greek krinoeidé̄s, equivalent. to krín(on) lily + -oeidēs -oid
  • 1825–35


Collins Concise English Dictionary © HarperCollins Publishers::

crinoid /ˈkraɪnɔɪd ˈkrɪn-/ n
  1. 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
adj
  1. of, relating to, or belonging to the Crinoidea
  2. shaped like a lily
Etymology: 19th Century: from Greek krinoeidēs lily-like

criˈnoidal adj



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