A plate of Pacific oysters.Licensed from iStockPhoto
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
An oyster (Crassostrea gigas) cultured in the United States and Europe, having a scalloped shell and a fruity flavor. Also called Portuguese oyster.