Webster’s Revised Unabridged Dictionary · 1913 Madreporaria Mad′re·po·ra′ri·a, n. pl. [NL. See Madrepore.] (Zoöl.) An extensive division of Anthozoa, including most of the species that produce stony corals. See Illust. of Anthozoa. — Mad′re·po·ra′ri·an (#), a. & n. ‹ Madrepora Madrepore ›