gua·ra I. \gwəˈrä\noun (-s) Etymology: Portuguese guará, from Tupi : scarlet ibis II. \ˈgwa(a)rə\ Etymology: New Latin, from Portuguese guará scarlet ibis synonym of eudocimus III. \gwəˈrä\noun (-s) Etymology: Portuguese guará, aguara — more at agouara : agouara IV. \ˈgwärə\noun (-s) Etymology: American Spanish : a tropical American tree of the genus Cupania