from the GNU version of the Collaborative International Dictionary of English
- n. a genus of tropical American trees which produce a black seed called the tonka bean.
from The Century Dictionary and Cyclopedia
- n. A genus of Leguminosæ, found in the forests of Brazil, Guiana, etc., including 8 species.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. tropical American trees: tonka beans
Sorry, no etymologies found.
One of my favorites is the delicious baru nut, which comes from the baruzeiro tree (dipteryx alata).