Old North French
Old North 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 group of dialects of Old French spoken in N France; esp., the dialects of Picardy and Normandy
Old North French definition by American Heritage Dictionary
The dialects of Old French spoken in northern France, especially in Normandy and Picardy.