/serr"vis ber'ee/ , n. , pl. serviceberries .
1. the fruit of any service tree.
2. a North American shrub or small tree, Amelanchier canadensis, of the rose family, having serrate, oblong leaves, clusters of white flowers,and a berrylike fruit.
3. any of various other plants of the genus Amelanchier.
[ 1775-85, Amer.; SERVICE 2 + BERRY ]