Definition of oyster

Definition of oyster
  1. oyster Noun Any marine bivalve mollusk of the Family "Ostreidae", usually found adhering to rocks or other fixed objects in shallow water along the seacoasts, or in brackish water in the mouth of rivers.
  2. oyster Noun A name popularly given to the delicate morsel of dark meat contained in a small cavity of the bone on each side of the lower part of the back of a fowl.
  3. oyster Noun A pale beige color tinted with grey or pink, like that of an oyster.
  4. oyster Noun A person who keeps secrets and private information to him- or herself.
  5. oyster Adjective Of a pale beige colour tinted with grey or pink, like that of an oyster.
  6. oyster Verb To fish for oysters.
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