Found 2 items, similar to soap tree.
English → English (WordNet) Definition: soap tree soap tree n : tall arborescent yucca of southwestern United States [syn: soapweed, soap-weed, Yucca elata]
English → English (gcide) Definition: soap tree Soapberry tree \Soap"ber`ry tree`\ (Bot.) 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. [1913 Webster]