'Sinapism' definitions:
Definition of 'sinapism'
From: WordNet
noun
A plaster containing powdered black mustard; applied to the skin as a counterirritant or rubefacient [syn: mustard plaster, sinapism]
Definition of 'Sinapism'
From: GCIDE
- 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]