Bitterroot Range[bĭtˈər-ro͞otˌ, -ro͝otˌ]
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
range of the Rocky Mountains, along the Ida.-Mont. border: highest peak, c. 11,000 ft (3,353 m)
Origin: after bitterroot, found esp. in the foothills
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A rugged chain of the Rocky Mountains along the Idaho-Montana border. It rises to 3,474.9 m (11,393 ft) at Scott Peak.