black mustard

noun

Medical Definition of black mustard

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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Cite this Entry

“Black mustard.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/black%20mustard. Accessed 15 Aug. 2020.

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