The Collaborative International Dictionary of English v.0.48:

kitambilla \kitambilla\ n.
   1. A small shrubby spiny tree (Dovyalis hebecarpa)
      cultivated for its maroon-purple fruit with sweet purple
      pulp tasking like gooseberries; it is native to Sri Lanka
      and India.

   Syn: ketembilla, kitembilla, ketembilla tree, Ceylon
        gooseberry, Dovyalis hebecarpa.
        [WordNet 1.5]

   2. A maroon-purple gooseberrylike fruit of India having a
      tart-sweet purple pulp used especially for preserves.

   Syn: ketembilla, kitembilla.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Dovyalis hebecarpa
    n 1: a small shrubby spiny tree cultivated for its maroon-purple
         fruit with sweet purple pulp tasting like gooseberries; Sri
         Lanka and India [syn: ketembilla, kitembilla,
         kitambilla, ketembilla tree, Ceylon gooseberry,
         Dovyalis hebecarpa]