The Collaborative International Dictionary of English v.0.48:

Bito \Bi"to\, n., Bito tree \Bi"to tree`\ . [Etym. uncertain.]
   (Bot.)
   A small scrubby tree (Balanites [AE]gyptiaca) growing in
   dry regions of tropical Africa and Asia.
   [1913 Webster]

   Note: The hard yellowish white wood is made into plows in
         Abyssinia; the bark is used in Farther India to stupefy
         fish; the ripe fruit is edible, when green it is an
         anthelmintic; the fermented juice is used as a
         beverage; the seeds yield a medicinal oil called
         zachun. The African name of the tree is hajilij.
         [Webster 1913 Suppl.]