Yu·man (yo?o?m?n)n. A language family constituting the languages of the Quechan and Mohave peoples and other Native American languages of western Arizona and adjacent parts of California and Mexico.Yu?man adj.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.Yuman (?ju?m?n) n (Languages) a family of North American Indian languages spoken chiefly in Arizona, California, and Mexicoadj (Languages) relating to or belonging to this family of languagesCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Yu?man (?yu m?n) n. a family of languages spoken by American Indian peoples of the lower Colorado River valley and adjacent areas in W Arizona, S California, and N Baja California. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.