a department of NE France, in Grand Est region. Capital: Châlons-sur-Marne. Pop: 563 027 (2003 est). Area: 8205 sq km(3200 sq miles)
2.
a river in NE France, rising on the plateau of Langres and flowing north, then west to the River Seine, north of Paris: linked by canal with the Rivers Saône, Rhine, and Aisne; scene of two unsuccessful German offensives (1914, 1918) during World War I. Length: 525 km (326 miles)
Marne in American English
(mɑrn)
river in NE France, flowing northwest & west into the Seine near Paris: scene of two WWI battles in which German offensives were checked