- The name of several cruciferous plants of the genus
Brassica (formerly Sinapis), as white mustard (B. alba), black mustard
(B. Nigra), wild mustard or charlock (B. Sinapistrum). - A powder or a paste made from the seeds of black or white
mustard, used as a condiment and a rubefacient. Taken internally it is
stimulant and diuretic, and in large doses is emetic.
Definition
[ n.]