A coral of the genus Madrepora or of the larger group Madreporaria. / (archaic) Any stony coral.

plural of madrepore

Resembling, or pertaining to, the genus Madrepora.

Characteristic of or associated with reef coral of genus Madrepora; madreporic. / Pertaining to a sieve-like plate in echinoderms, which admits water into the ambulacral tubes;