[ blak-muhs-terd ]
/ ˈblæk ˈmʌs tərd /
the cruciferous plant Brassica nigra, the seeds of which are ground into a pungent spice or used whole, as in Indian cuisine, and are a chief ingredient of many commercially prepared mustards: black mustard is sometimes mistakenly classified as Sinapis nigra, but it does not belong to same genus as white mustard (S. alba).
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Question 1 of 9
You may have read the word "simmer" in a recipe or two, but what does it really mean?
Compare brown mustard (def. 2).
Origin of black mustard
First recorded in 1300–50
Words nearby black mustard
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for black mustard
a Eurasian plant, Brassica (or Sinapsis) nigra, with clusters of yellow flowers and pungent seeds from which the condiment mustard is made: family Brassicaceae (crucifers)
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