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Gran Cha·co(grän′ chä′kō)
A lowland plain of central South America divided among Paraguay, Bolivia, and Argentina. The arid plain is largely uninhabited.
Gran Chaco(Spanish ɡran ˈtʃako)
(Placename) 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
Gran Cha•co(grɑn ˈtʃɑ kɔ)
an extensive subtropical region in central South America, in Argentina, Bolivia, and Paraguay. 300,000 sq. mi. (777,000 sq. km). Also called Chaco.