mustard plaster

American  

noun

1. a black mixture of mustard and rubber placed on a cloth and applied to the skin as a counterirritant.

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mustard plaster British  

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

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Etymology

Origin of mustard plaster

First recorded in 1855–60

Example Sentences

For evening, models wore ethereal long silk plissé dresses in soft shades of mustard, plaster, or Dior gray.

From Seattle Times • Jul. 5, 2021

The most unique was a menu for a medical convention�printed on the back of a large mustard plaster.

From Time Magazine Archive

And taped over his liver, like a mustard plaster, is a wad of 80,000 yen.

From Time Magazine Archive

Two years ago the National Collegiate Athletic Association tried to poultice the swelling with a mustard plaster called the Sanity Code.

From Time Magazine Archive

Dr. Leale immediately applies a mustard plaster to every inch of the front of Lincoln’s body, from shoulders down to ankles.

From "Lincoln's Last Days: The Shocking Assassination that Changed America Forever" by Bill O'Reilly