Crossword clue: a river in central brazil that flows generally northward (with many falls) to join the tocantins river
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
araguaya
8 letters
wn-def
a river in central Brazil that flows generally northward (with many falls) to join the Tocantins River