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A river, about 420 km (260 mi) long, of west-central Canada flowing between Lake Athabasca in northeast Alberta and Great Slave Lake in the southern Northwest Territories. It forms the central section of the Mackenzie River system.
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.
(Placename) a river in W Canada, in the Northwest Territories and NE Alberta, flowing from Lake Athabaska northwest to Great Slave Lake. Length: about 420 km (260 miles). Also called: Great Slave River
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a river in NE Alberta and the Northwest Territories, in Canada: flowing from Lake Athabaska NW to Great Slave Lake. 258 mi. (415 km) long.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.