oyster bed

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A place where oysters breed or are raised.

Century Dictionary and Cyclopedia

1. n. An oyster-bank; a place where oysters breed or are bred; a place prepared and sown or planted with spat. In the northern United States, oyster-beds are also called oyster-banks; in the southern United States, oyster-bars and oyster-rocks; in the Gulf States, oyster-reefs.
2. n. A bed, layer, or stratum containing fossil oysters.

Wiktionary

1. n. A place on the seabed where oysters are grown to be harvested

GNU Webster's 1913

1. n. a breeding place for oysters; a place in a tidal river or other water on or near the seashore, where oysters are deposited to grow and fatten for market. See 1st Scalp, n.

WordNet 3.0

1. n. a workplace where oysters are bred and grown