from the GNU version of the Collaborative International Dictionary of English
- Any tree of the genus Sapindus, esp. Sapindus saponaria, the fleshy part of whose fruit is used instead of soap in washing linen; -- also called soap tree.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a tree of the genus Sapindus whose fruit is rich in saponin
Sorry, no etymologies found.