a river in S Brazil, flowing W to the Paraná River on the Argentina-Paraguay-Brazil border: noted for its falls. 745 miles (1199 km) long.

Also I·gua·çú [ee-gwuh-soo] /ˌi gwəˈsu/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for iguazu

Historical Examples of iguazu

  • Niagara makes a single leap over a precipice one hundred and eighty feet high, while Iguazu is broken in fall but far wider.

    Our Little Brazilian Cousin

    Mary F. Nixon-Roulet