Madrepore

from WordNet (r) 3.0 (2006)
madrepore
    n 1: corals having calcareous skeletons aggregations of which
         form reefs and islands [syn: {stony coral}, {madrepore},
         {madriporian coral}]
    
from The Collaborative International Dictionary of English v.0.48
Madrepore \Mad"re*pore\, n. [F. madrepore, perh. fr. madr['e]
   spotted, fr. OF. madre, mazre, a kind of knotty wood with
   brown spots, fr. OHG. masar a knot, grain, or vein in wood, a
   speck, G. maser + pore (see {Pore}); or perh. F. madr['e]pore
   is rather from It. madrepora, and this perh. fr. It. madre
   mother (see {Mother}) + Gr. ? a soft stone.] (Zool.)
   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.

   Syn: stony coral, madriporian coral.
        [1913 Webster]
    

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