Pronunciation: (yOO'mu), [key]
—pl. -mas (esp. collectively) -ma for 1.
1. a member of an American Indian people of Arizona.
2. the Yuman dialect of the Yuma Indians, mutually intelligible with the dialect of the Mohave Indians.
3. a city in SW Arizona, on the Colorado River. 42,433.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.