The Collaborative International Dictionary of English v.0.48:
Sheepberry \Sheep"ber`ry\, n. (Bot.) The edible fruit of a small North American tree of the genus Viburnum (Viburnum Lentago), having white flowers in flat cymes; also, the tree itself. Called also nannyberry. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Nannyberry \Nan"ny*ber`ry\, n. (Bot.) See Sheepberry. [1913 Webster]