- A person having red hair. - An American duck (Aythya Americana) highly esteemed as a
game bird. It is closely allied to the canvasback, but is smaller and
its head brighter red. Called also red-headed duck. American poachard,
grayback, and fall duck. See Illust. under Poachard. - The red-headed woodpecker. See Woodpecker. - A kind of milkweed (Asclepias Curassavica) with red
flowers. It is used in medicine.