black mustard
noun
1
: a yellow-flowered annual Eurasian herb (Brassica nigra) that is a source of table mustard
2
: the dried ripe seed of black mustard or a relative (Brassica juncea) that was formerly much used in medicine as a rubefacient and emetic
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“Black mustard.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/black%20mustard. Accessed 28 Nov. 2024.
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