potch

/ (pɒtʃ) /

noun

mainly Australian slang inferior quality opal used in jewellery for mounting precious opals

Word Origin for potch

C20: of uncertain origin
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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