Vilyui(redirected from Vilyuy River)
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A river of eastern Russia flowing about 2,450 km (1,520 mi) eastward to the Lena 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.