Río Muni
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Río Mu·ni
(mo͞o′nē) The mainland part of Equatorial Guinea, on the Bight of Biafra in western Africa.
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.