Definition: Macaw - small, slender bird with large beak. Its feathers are mostly black and white with a distinctive black stripe down its back. 11: 28 The king said to his people, "Why do you look so worried? Why is it that your livestock have died? Are they killed by snakes or are they poisoned?" Macaw - small, slender bird with large beak. Its feathers are mostly black and white with a distinctive black stripe down its back. 11: 28 The king said to his people, "Why do you look so worried? Why is it that your livestock have died? Are they killed by snakes or are they poisoned?" Macaw - small, slender bird with large beak. Its feathers are mostly black and white with a distinctive black stripe down its back. 11: 28 The king said to his people, "Why do you look so worried? Why is it that your livestock have died? Are they killed by snakes or are they poisoned?" Macaw - small, slender bird with large beak. Its feathers are mostly black and white with a distinctive black stripe down its back.