noun
- any of various large, long-tailed parrots, chiefly of the genus Ara, of tropical and subtropical America, noted for their brilliant plumage and harsh voice.
noun
- any large tropical American parrot of the genera Ara and Anodorhynchus, having a long tail and brilliant plumage
n.species of large, long-tailed birds, 1660s, from Portuguese macau, from a word in a Brazilian language, perhaps Tupi macavuana, which may be the name of a type of palm tree the fruit of which the birds eat.