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A river rising in the Ardennes Mountains of southern Belgium and flowing about 300 km (185 mi) generally southwest to the Seine River in northern France. It is an important commercial waterway.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Placename) a department of N France, in Picardy region. Capital: Beauvais. Pop: 776 999 (2003 est). Area: 5887 sq km (2296 sq miles)
2. (Placename) a river in N France, rising in Belgium, in the Ardennes, and flowing southwest to join the Seine at Conflans. Length: 302 km (188 miles)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a river in W Europe, flowing SW from S Belgium through N France to the Seine, near Paris. 186 mi. (300 km) long.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.