stony coral 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 coral having a dense, calcareous, external skeleton (esp. order Scleractinia)
stony coral definition by American Heritage Dictionary
A coral with a hard calcareous skeleton, especially of the order Scleractinia.