Crinoidea

plural noun
Cri·noi·dea | \ krə̇ˈnȯidēə , -rīˈ- \

Definition of Crinoidea 

: a large class of chiefly tropical or fossil echinoderms that have a more or less cup-shaped body provided with five or more feathery arms commonly bifurcated or many-branched and bearing pinnules, a mouth lying between the arms on the concave upper surface, and opposite the mouth usually a long jointed stalk fixed to the base of the body and having its opposite end divided into rhizoid processes that anchor the animal to the sea bottom — compare comatulid, sea lily

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Other words from Crinoidea

crinoidean \krə̇ˈnȯidēən, (ˈ)krī¦- \ adjective or noun

First Known Use of Crinoidea

1821, in the meaning defined above

History and Etymology for Crinoidea

New Latin, from Greek krinon lily + New Latin -oidea

Keep scrolling for more

Learn More about Crinoidea

Dictionary Entries near Crinoidea

crinkum-crankum

crinoid

crinoidal

Crinoidea

crinoline

crinosity

crins

Statistics for Crinoidea

Look-up Popularity

Time Traveler for Crinoidea

The first known use of Crinoidea was in 1821

See more words from the same year

Comments on Crinoidea

What made you want to look up Crinoidea? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

alleviating pain or harshness

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!