'madriporian coral' definitions:

Definition of 'madriporian coral'

From: WordNet
noun
Corals having calcareous skeletons aggregations of which form reefs and islands [syn: stony coral, madrepore, madriporian coral]

Definition of 'madriporian coral'

From: GCIDE
  • madriporian coral \madriporian coral\ n. A madrepore . [PJC] Madreporian