crinoid

noun
cri·noid | \ ˈkrī-ˌnȯid \

Definition of crinoid 

: any of a large class (Crinoidea) of echinoderms usually having a somewhat cup-shaped body with five or more feathery arms — compare feather star, sea lily

Illustration of crinoid

Illustration of crinoid

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Other words from crinoid

crinoid adjective

Examples of crinoid in a Sentence

Recent Examples on the Web

The warm coastal waters surrounding Gondwana were perfect for new kinds of animals, like brachiopods, crinoids, ostracodes, cephalopods, corals, and bryozoans. Annalee Newitz, Ars Technica, "If you liked the Cambrian Explosion, you’ll love the Ordovician Radiation," 21 Nov. 2017 Then check out this intriguing video from National Geographic of a feather star, a variety of crinoid that lives in the ocean. Staff, The Christian Science Monitor, "Top Picks: Charly Bliss's 'Guppy,' National Geographic's video of a feather star, and more," 28 July 2017 The traces of ancient invertebrates with astonishing names (crinoids, fusulinids, and so on) were just one of many signs that the landscape my coastal relatives used to mock for its monotony in fact harbored wonders. Ben Lerner, The New Yorker, "A Strange Australian Masterpiece," 29 Mar. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'crinoid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of crinoid

1836, in the meaning defined above

History and Etymology for crinoid

ultimately from Greek krinon lily

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The first known use of crinoid was in 1836

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occurring twice a year or every two years

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