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Related to cataplasm: poultice
A soft magma or mush prepared by wetting various powders or other absorbent substances with oily or watery fluids, sometimes medicated, and usually applied to the surface while hot; it exerts an emollient, relaxing, or stimulant, counterirritant effect on the skin and underlying tissues.
[L. puls (pult-), a thick pap; G. poltos]
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