piece of eight
piece of eight definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the obsolete Spanish and Spanish-American dollar, equal to eight reals
piece of eight definition by American Heritage Dictionary
noun pl. pieces of eight
An old Spanish silver coin.
Origin: From its original value of eight reals.