A brittle star clinging to a red sponge.Licensed from iStockPhoto
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
any of a subclass (Ophiuroidea) of echinoderms having a central disk and five long, narrow, easily breakable arms that can quickly regenerate
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of various marine organisms of the class Ophiuroidea, related to and resembling the starfish but having long slender arms. Also called ophiuroid.