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soapbark

[sohp-bahrk] /ˈsoʊpˌbɑrk/
noun
1.
a Chilean tree, Quillaja saponaria, of the rose family, having evergreen leaves and small, white flowers.
2.
the inner bark of this tree, used as a substitute for soap.
Origin
1860-1865
1860-65; soap + bark2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for soap-bark

soapbark

/ˈsəʊpˌbɑːk/
noun
1.
Also called quillai. a W South American rosaceous tree, Quillaja saponaria, with undivided evergreen leaves and small white flowers
2.
Also called quillai bark. the inner bark of this tree, formerly used as soap and as a source of saponin
3.
any of several trees or shrubs that have a bark similar to this
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
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6
7
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