pre-Columbian[prē′kə lum′bē ən]
pre-Columbian 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.
of any period in the history of the Western Hemisphere before Columbus arrived in America
pre-Columbian definition by American Heritage Dictionary
Of, relating to, or originating in the Americas before the arrival of Columbus: pre-Columbian art.