A river of British Columbia, Canada, flowing about 1,368 km (850 mi) from the Rocky Mountains near the Alberta boundary to the Strait of Georgia at Vancouver. It was discovered by Sir Alexander Mackenzie in 1793 and named later for the navigator Simon Fraser.
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.