sinapism

2 definitions found

sinapism - Collaborative International Dictionary of English v.0.48 :

  Sinapism \Sin"a*pism\, n. [L. sinapismus, Gr. ????, the use of a
     mustard blister, fr. ??? to apply a mustard blister, fr. ????
     mustard.] (Med.)
     A plaster or poultice composed principally of powdered
     mustard seed, or containing the volatile oil of mustard seed.
     It is a powerful irritant.
     [1913 Webster]

sinapism - WordNet (r) 2.1 (2005) :

  sinapism
      n 1: a plaster containing powdered black mustard; applied to the
           skin as a counterirritant or rubefacient [syn: mustard plaster
           , sinapism]