Slave River definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
river in NE Alberta & S Northwest Territories, Canada, flowing from Lake Athabasca northwest into Great Slave Lake: 258 mi (415 km)
Slave River definition by American Heritage Dictionary
A river, about 499 km (310 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.