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I·gua·zú(ē′gwə-zo͞o′) or I·gua·çú (-so͞o′)
A river, about 1,200 km (745 mi) long, rising in southern Brazil and flowing west along part of the Brazil-Argentina border to the Paraná River at the Paraguay border. Just above the confluence with the Paraná lies Iguazú Falls, a group of cataracts averaging 60 m (200 ft) high.
Iguaçú(Portuguese iɡuaˈsu) or
(Placename) a river in SE South America, rising in S Brazil and flowing west to join the Paraná River, forming part of the border between Brazil and Argentina. Length: 1200 km (745 miles)
or I•gua•zú(ˌi gwɑˈsu)
a river in S Brazil, flowing W to the Paraná River. 380 mi. (610 km) long.