Also found in: Thesaurus, Encyclopedia, Wikipedia.
n. pl. Yuma or Yu·mas
[Spanish, from O'odham yuumi.]
A city of southwest Arizona on the Colorado River. It grew as a river crossing during the California gold rush in the mid-1800s.
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.