OYSTER n.
to rocks like oysters, but they have a pearly interior, and are allied to the fresh-water mussels. -- Oyster bed, 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 lst Scalp, n. -- Oyster catcher (Zoöl.), any o…
PEARL n. 2 definitions
mantle and shell, of certain bivalve mollusks, especially in the pearl oysters and river mussels, and sometimes in certain univalves. It is usually due to a secretion of shelly substance around some irritating foreign particle. Its substance is the same as nacre, or mother-of-pearl. Pearls which are round, or nearly r…