Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: sinapism  'si-nu,pi-zum
  1. A plaster containing powdered black mustard; applied to the skin as a counterirritant or rubefacient
    "Grandma applied a sinapism to relieve his chest congestion";
    - mustard plaster

Derived forms: sinapisms

Type of: cataplasm [archaic], plaster, poultice