madrepore madreporarian • madreporian · · · Info · Definitions · Synonyms · Characters · · madrepore · · Text Latin · · Script 9 · · Length Definitions · · · (noun) corals having calcareous skeletons aggregations of which form reefs and islands. Synonyms: stony coral, madriporian coral. · · Noun Definition 1 Synonyms · · · stony coral · · Synonym 1 madriporian coral · · Synonym 2 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072