soapbark Hear it!

soapbark definition

soap·bark (sōp′bärk′)

noun

    1. a South American tree (Quillaja saponaria) of the rose family, with leathery leaves and white flower clusters
    2. its inner bark, used in cleansing preparations for its saponin content
  2. any of several tropical American trees (genus Pithecellobium) of the mimosa family, whose bark contains saponin

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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