Dictionary:

serviceberry

  (sûr'vĭs-bĕr'ē)

The shadbush or one of its fruit.

[SERVICE (TREE) + BERRY.]

The botanical name for shadbush, also known as serviceberry or Juneberry.

The noun has 2 meanings:

Meaning #1: any of various North American trees or shrubs having showy white flowers and edible blue-black or purplish fruit
  Synonyms: Juneberry, service tree, shadbush, shadblow

Meaning #2: edible purple or red berries
  Synonyms: saskatoon, shadberry, juneberry