Ostracean
Pronunciation : Os*tra"cean
Part of Speech : n.
Etymology : [L. ostrea an oyster. See Oyster.] (Zo?l.)
Definition : Defn: Any one of a family of bivalves, of which the oyster is the type.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder