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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.


(Spanish ˈtʃako)
(Placename) See Gran Chaco
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈtʃɑ kɔ)

1. a part of the Gran Chaco region in central South America, in Bolivia, Paraguay, and Argentina. ab. 100,000 sq. mi. (259,000 sq. km).
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
The Chaco War, "[t]he first modern air war in Latin America," was fought by Paraguay and Bolivia over a disputed territory called the Chaco.
Pollen assemblages of surface sediments from the North of the Argentine Chaco region
Securities and Exchange Commission, affirmed the Province of Chaco's long-term, foreign- and local-currency Issuer Default Ratings (IDRs) at 'B' with a Stable Rating Outlook.
The Chaco Air War 1932-35: The First Modern Air War in Latin America
Del mismo modo, la informacion sobre la distribucion geografica es incipiente ya que los rangos de las especies han sido establecidos sobre la base de escasos registros, particularmente en la ecorregion del Chaco Seco de Argentina.
A soft wind blows through the empty buildings and down the streets of the ancient town of Chaco. There are many large rooms in the buildings, but the rooms are empty.
Charcoal gathered from the Gran Chaco forest in Paraguay is loaded onto trucks before being taken to Europe and the US.
The mysterious Chaco Canyon civilization may have captured a total solar eclipse from 1,000 years ago by carving an image of the blocked-out sun and coronal mass ejections into rock.