Real Dictionary

sheepberry in American English
a tall North American viburnum shrub or small tree (Viburnum lentago) with white flowers and juicy, blue-black berries
noun: a North American shrub or small tree, Viburnum lentago, of the honeysuckle family, having flat-topped clusters of small white flowers and edible, berrylike black drupes

sheepberry in British English
noun: a North American tree or shrub, Viburnum Lentago, bearing white flowers and edible blue-black berries resembling sheep-droppings