Mistassini Lake
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Mis·tas·si·ni
(mĭs′tə-sē′nē), Lake A lake of south-central Quebec, Canada, draining westward into James Bay by way of the Rupert River.
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.