Definition of Paraná
1 or in upper course Alto Paranáplay \ˈal-(ˌ)tō, ˈäl-\ river about 2500 miles (4022 kilometers) long in central South America flowing from the junction of the Rio Grande and Paranaíba River in Brazil south-southwest into the Río de la Plata in Argentina
2 state of southern Brazil east of the Paraná River, between Paraguay and Argentina on the west and the Atlantic on the east; capital Curitiba area 76,953 square miles (199,308 square kilometers), population 10,444,526
3 city on the Paraná River in northeastern Argentina population 250,000
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