Shād'-bŭsh, n.

n. (Bot.) A shrub or small tree (Amelanchier Canadensis), allied to the apple, bearing serrated leaves, and racemes of white flowers. It is common in the Northern United States, and flowers in April or May, about the time when the shad ascend the rivers, whence the name. The fruit is edible, and ripens in June, whence called June-berry. The shrub is also called service-berry. Gray.