A desert region of the western United States comprising most of Nevada and parts of Utah, California, Idaho, Wyoming, and Oregon. John C. Frémont explored and named the area (1843-1845).
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.
