mustard plaster
noun
a black mixture of mustard and rubber placed on a cloth and applied to the skin as a counterirritant.
Origin of mustard plaster
First recorded in 1855–60
Words nearby mustard plaster
mustard and cress,
mustard family,
mustard gas,
mustard oil,
mustard operation,
mustard plaster,
mustee,
mustelid,
musteline,
muster,
muster day
British Dictionary definitions for mustard plaster
mustard plaster
noun
med
a mixture of powdered black mustard seeds and an adhesive agent applied to the skin for its relaxing, stimulating, or counterirritant effects
Medical definitions for mustard plaster
mustard plaster
n.
A medicinal plaster made with a pastelike mixture of powdered black mustard, flour, and water, used especially as a counterirritant.