A mountain, 1,745 m (5,725 ft) high, in the Black Hills of western South Dakota. Its monument with massive carved likenesses of Washington, Jefferson, Lincoln, and Theodore Roosevelt was carved under the direction of Gutzon Borglum.
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.