oyster(redirected from American oysters)
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a. 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.
b. Any of various similar or related bivalve mollusks, such as the pearl oyster.
intr.v. oys·tered, oys·tering, oys·ters
To gather, dredge for, or raise oysters.
Health benefits Oysters are a natural source of iron, zinc and selenium, as well as vitamin B12
A shellfish that, when eaten raw or only partially cooked, may be a source of hepatitis A virus and bacterial pathogens. See: diarrhea, travelers'