madrepore Syllabification: (mad·re·pore)Pronunciation: /ˈmadrəˌpôr/Definition of madrepore noun 1a stony coral of the genus Madrepora. 2the polyp producing this. Derivatives madreporicPronunciation: /ˌmadrəˈpôrik/ adjective madrepore in other Oxford dictionaries Definition of madrepore in the British & World English dictionary