Iguaçú

(ē′gwä so̵̅o̅)

river in S Brazil, flowing into the Paraná River on the border of NE Argentina: c. 800 mi (1,287 km): contains , c. 2.5 mi (4 km) wide, composed of more than 200 cataracts averaging 200 ft (61 m) in height
also sp. or
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