Aerial view of Aconcagua in the Andes.
Aconcagua definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
mountain of the Andes in W Argentina: 22,835 ft (6,960 m): highest peak in the Western Hemisphere
Aconcagua definition by American Heritage Dictionary
A mountain, 7,025.4 m (23,034 ft) high, in the Andes of western Argentina near the Chilean border. The highest peak of the Western Hemisphere, it was first scaled in 1897.