Cystoidea

plural noun Cys·toid·ea \siˈstȯidēə\

Definition of Cystoidea

  1. :  a class of Paleozoic short-stemmed or stemless pelmatozoan echinoderms formerly considered an order of Crinoidea having the body commonly somewhat globular or egg-shaped and enclosed in calcareous plates that are usually pierced by a system of pores possibly respiratory in function

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of cystoidea

New Latin, from cyst- + -oidea


Seen and Heard

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

WORD OF THE DAY

to criticize severely

Get Word of the Day daily email!