Also found in: Idioms.
A lake of southwest Alberta, Canada, in the Rocky Mountains near Banff. Surrounded by high peaks and glaciers, it is noted for its scenic beauty.
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.