Meaning of Gran Chaco

Gran Cha•co

Pronunciation: (grän chä'kô), [key]
  1. an extensive subtropical region in central South America, in Argentina, Bolivia, and Paraguay. 300,000 sq. mi. (777,000 sq. km). Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.