Added 9 October 2026 araguaya noun Categories: NatureObscure Words noun ! Definition from WordNet 3.1, Princeton University. More about araguaya at Wordnik → Where our words come from → A river in central Brazil that flows generally northward (with many falls) to join the Tocantins River. Related Words: araguaiaaranjuezaraucaarachidearuruaguadillaarandaaracajuarundoaguilamalaguenaaguacate Back to today's word