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wild mustard

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noun
  1. any of several weedy plants belonging to the genus Brassica, of the mustard family, as charlock.

Origin of wild mustard

First recorded in 1590–1600
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for wild mustard

wild mustard

noun
  1. another name for charlock (def. 1)
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