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A language family of Central America including Miskito.
[Coined by John Alden Mason (1885-1967), American anthropologist and linguist, as a contraction of Misquito-Sumo-Matagalpan : Misquito, variant of Miskito + Sumo, Sumu, a group of Misumalpan languages of Nicaragua and Honduras + Matagalpa, extinct Misumalpan language of Nicaragua + -an.]
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.