noun a person having red hair.
2. redhead ·noun the red-headed woodpecker. ·see woodpecker.
3. redhead ·noun a kind of milkweed (asclepias curassavica) with red flowers. it is used in medicine.
4. redhead ·noun 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.