The Collaborative International Dictionary of English v.0.48:

Meuse \Meuse\ prop. n.
   1. A European river, flowing into the North Sea.

   Syn: Meuse River.
        [WordNet 1.5]

   2. An American operation in World War I (1918); American
      troops under Pershing drove back the German armies which
      were saved only by the Armistice on November 11.

   Syn: Meuse River, Argonne, Argonne Forest, Meuse-Argonne,
        Meuse-Argonne operation.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Meuse
    n 1: a European river; flows into the North Sea [syn: Meuse,
         Meuse River]
    2: an American operation in World War I (1918); American troops
       under Pershing drove back the German armies which were saved
       only by the armistice on November 11 [syn: Meuse, Meuse
       River, Argonne, Argonne Forest, Meuse-Argonne, Meuse-
       Argonne operation]