Definition of Ardennes:
(n) :
forest, geographic region and low mountain range in France, Belgium, Germany and Luxembourg; in full, Ardennes Forest, Ardenne Forest, or Forest of Ardennes.
(n) :
A department of Grand Est, France. Capital: Charleville-Mézières (INSEE code 08).
(n) :
A placename:
(n) :
Ellipsis of Battle of Ardennes and Battle of the Ardennes.