any of a group of large, bright-colored, long-tailed, harsh-voiced parrots (esp. genus Ara) of Central and South America
See macaw in American Heritage Dictionary 4
(mə-kôˈ)
noun
Any of various parrots of the genera Ara and Anodorhynchus of Central and South America, including the largest parrots and characterized by long saber-shaped tails, curved powerful bills, and usually brilliant plumage.