from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See mustard plaster.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Application of a mustard plaster
from the GNU version of the Collaborative International Dictionary of English
- n. A plaster or poultice composed principally of powdered mustard seed, or containing the volatile oil of mustard seed. It is a powerful irritant.
from The Century Dictionary and Cyclopedia
- n. A plaster composed wholly or in part of mustard-flour; a mustard-plaster.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a plaster containing powdered black mustard; applied to the skin as a counterirritant or rubefacient
French sinapisme, from Late Latin sināpismus, from Greek sināpismos, use of a mustard plaster, from sināpizein, to apply a mustard plaster, from sināpi, mustard, perhaps variant of earlier nāpu.(American Heritage® Dictionary of the English Language, Fourth Edition)