1. A tree (Nephelium lappaceum) of southeast Asia, bearing edible oval red fruit with soft spines.
2. The fruit of this tree.

[Malay, from rambut, hair (from its hairy covering).]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.