- a river in S Brazil, flowing W to the Paraná River. 380 miles (610 km) long.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for iguassu
The Salto do Iguaçu, or fall of the Iguassu, is a succession of leaps made by this river at about eight miles from its mouth.The Conquest of the River Plate (1535-1555)