ostrea

from WordNet (r) 3.0 (2006)
Ostrea
    n 1: type genus of the family Ostreidae [syn: {Ostrea}, {genus
         Ostrea}]
    
from The Collaborative International Dictionary of English v.0.48
Ostrea \Os"tre*a\, n. [L., an oyster.] (Zool.)
   A genus of bivalve Mollusca which includes the true oysters.
   [1913 Webster]
    

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