/ Dictionary / Index Y Yuma: Meaning and Definition of Find definitions for: Yu•ma Pronunciation: (y'mu), [key] — pl. -mas -ma a member of an American Indian people of Arizona. the Yuman dialect of the Yuma Indians, mutually intelligible with the dialect of the Mohave Indians. a city in SW Arizona, on the Colorado River. 42,433. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: yuma (Thesaurus) yum Yuman Related Content Daily Word Quiz: acme Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language