- the fruit of any of certain tropical or subtropical trees of the genus Sapindus, especially S. saponaria, used as a substitute for soap.
- the tree itself.
Origin of soapberry
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of various chiefly tropical American sapindaceous trees of the genus Sapindus, esp S. saponaria (or S. marginatus), having pulpy fruit containing saponin
- a related plant, S. drummondii, of the southwestern US
- the fruit of any of these trees
Also called: chinaberry
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012