mustard plaster

noun
1.
a black mixture of mustard and rubber placed on a cloth and applied to the skin as a counterirritant.
Origin
1855-60
Examples from the web for mustard plaster
  • Of course the old fashion mustard plaster was a standard remedy, and then there were the teas.
  • He requested that a mustard plaster bo sent for aud applied to his stomach.
British Dictionary definitions for mustard plaster

mustard plaster

noun
1.
(med) a mixture of powdered black mustard seeds and an adhesive agent applied to the skin for its relaxing, stimulating, or counterirritant effects
mustard plaster in Medicine

mustard plaster n.
A medicinal plaster made with a pastelike mixture of powdered black mustard, flour, and water, used especially as a counterirritant.