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Webster 1913 Edition
Rambutan
Ram-bu′tan
(răm-boō′tăn)
, Noun.
 [Malay 
rambūtan
, fr. rambut 
hair of the head.] (Bot.) 
A Malayan fruit produced by the tree 
Nephelium lappaceum
, and closely related to the litchi nut. It is bright red, oval in shape, covered with coarse hairs (whence the name), and contains a pleasant acid pulp. Called also ramboostan
.