EPISPAS'TIC, adjective [Gr. to draw.] In medicine, drawing; attracting the humors to the skin; exciting action in the skin; blistering. EPISPAS'TIC, noun A topical remedy, applied to the external part of the body, for the purpose of drawing the humors to the part, or exciting action in the skin; a blister.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI