oyster

Any of several edible bivalve mollusks of the family Ostreidae, having a rough, irregularly shaped shell attached to the substrate in shallow marine waters. Oysters are widely cultivated for food.

Any of various similar or related bivalve mollusks, such as the pearl oyster.

An edible bit of muscle found in the hollow of the pelvic bone of a fowl.

A special delicacy.

Something from which benefits may be extracted.

A close-mouthed person.

To gather, dredge for, or raise oysters.

To engage in oyster-fishing; take oysters in any way.