sea lily definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of several orders of stalked and attached crinoids
sea lily definition by American Heritage Dictionary
Any of various marine crinoids having a flowerlike body supported by a long stalk and usually anchored to the ocean floor in deep water.