Gran Chaco

[grahn chah-kaw]
noun
  1. an extensive subtropical region in central South America, in Argentina, Bolivia, and Paraguay. 300,000 sq. mi. (777,000 sq. km).
Also called Chaco.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for gran chaco

Gran Chaco

noun
  1. a plain of S central South America, between the Andes and the Paraguay River in SE Bolivia, E Paraguay, and N Argentina: huge swamps and scrub forest Area: about 780 000 sq km (300 000 sq miles)Often shortened to: Chaco
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012