from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various stony corals of the order Madreporaria, which includes the reef builders of tropical seas.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A coral of the order Madreporaria
- n. Any stony coral.
from the GNU version of the Collaborative International Dictionary of English
- n. Any coral of the genus Madrepora, a group of corals having calcareous skeletons aggregations of which form reefs and islands; formerly, often applied to any stony coral.
from The Century Dictionary and Cyclopedia
- n. An animal, or a coral, of the genus Madrepora or family Madreporidœ; the polypite or the polypidom of a perforate madreporarian: a name loosely extended to any stone-coral with madre poriform cavities or openings.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. corals having calcareous skeletons aggregations of which form reefs and islands
Italian madrepora : madre, mother (from Latin māter, mātr-) + -pora (alteration of poro, tufa, pore, from Late Latin porus, passageway; see pore, or from Latin pōrus, calcareous stone, stalactite, from Greek pōros).(American Heritage® Dictionary of the English Language, Fourth Edition)
From French madrépore, from Italian madrepora, from madre ("mother"), from Latin mater + poro ("pore"), from Latin porus (Wiktionary)