coco plum

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A tropical American evergreen shrub or small tree (Chrysobalanus icaco) having sweet pink to purple fruit used to make jellies and preserves.
• noun The fruit of this plant.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun plum-shaped whitish to almost black fruit used for preserves; tropical American
• noun small tropical American tree bearing edible plumlike fruit