Old French 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 French language from c. 800 to c. 1500, esp. French from the 9th to the 14th cent.
Old French definition by American Heritage Dictionary
The French language from the 9th to the early 16th century.