a true coral consisting of numerous anthozoan polyps embedded in the calcareous material that they secrete.
Origin of stony coral
First recorded in 1610–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
any coral of the order Madreporaria, having a calcareous skeleton, aggregations of which form reefs and islands
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012