a West Indian sapotaceous tree, Chrysophyllum cainito, with smooth-skinned edible greenish-purple fruit
2.
the fruit of this tree which, when cut across, reveals a star-shaped arrangement of seeds
star apple in American English
1.
a tropical American evergreen tree (Chrysophyllum cainito) of the sapodilla family, with shiny leaves, whitish flowers, and applelike fruit showing a starlike figure inside when cut across