Meaning of pearl oyster

pearl' oys"ter

Pronunciation: [key]
  1. any of several marine bivalve mollusks of the family Pteriidae, some of which form pearls of great value, inhabiting waters of eastern Asia and off the coasts of Panama and Lower California.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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