Meaning of revanche

re•vanche

Pronunciation: (ru-vanch', -vänsh'), [key]
— n.
  1. the policy of a state intent on regaining areas of its original territory that have been lost to other states as a result of war, a treaty signed under duress, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.