soap·​bark | \ ˈsōp-ˌbärk How to pronounce soapbark (audio) \

Definition of soapbark

: a Chilean tree (Quillaja saponaria) of the rose family with glossy leaves and terminal white flowers also : its saponin-rich bark used in cleaning and in emulsifying oils

Examples of soapbark in a Sentence

Recent Examples on the Web This was Ricardo San Martin, a scientist who had helped develop the Chilean soapbark industry. Brendan Borrell, The Atlantic, "The Tree That Could Help Stop the Pandemic," 21 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'soapbark.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of soapbark

1861, in the meaning defined above

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The first known use of soapbark was in 1861

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Statistics for soapbark

Last Updated

25 Oct 2020

Cite this Entry

“Soapbark.” Dictionary, Merriam-Webster, Accessed 26 Oct. 2020.

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soap·​bark | \ ˈsōp-ˌbärk How to pronounce soapbark (audio) \

Medical Definition of soapbark

1 : a Chilean tree of the genus Quillaja (Q. saponaria) with shiny leaves and white flowers
2 : the saponin-rich bark of the soapbark tree used in cleaning and in emulsifying oil

called also quillaja

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