from The American Heritage® Dictionary of the English Language, 4th Edition
- A mountain system of western South America extending more than 8,045 km (5,000 mi) along the Pacific coast from Venezuela to Tierra del Fuego. The Andes rise at many points to more than 6,710 m (22,000 ft).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A mountain range in western South America.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a mountain range in South America running 5000 miles along the Pacific coast
From Spanish, perhaps from Quechua andi ("high crest") (Wiktionary)