am·ba·rel·la (ām'bə-rěl'ə) n.
In both senses also called Otaheite apple.
A tree (Spondias cytherea) native to the Pacific islands and grown in tropical and subtropical regions for its edible fruits.
The orange-yellow, egg-shaped fruit of this tree, eaten fresh or pickled, or used to make preserves.
[Sinhalese ämbarälla, from Sanskrit āmravāṭakaḥ, a kind of tree : āmraḥ, mango tree (from amlaḥ, tart) + vāṭakaḥ, diminutive of vāṭaḥ, enclosure, garden; see wer-4 in Indo-European roots.]