The Collaborative International Dictionary
Catapasm
Catapasm \Cat"a*pasm\, n. [Gr. ?, fr. ? to besprinkle; kata`
down, wholly + ? to strew, or sprinkle.] (Med.)
A compound medicinal powder, used by the ancients to sprinkle
on ulcers, to absorb perspiration, etc.
--Dunglison.
Wiktionary
catapasm
n. (context medicine obsolete English) A medicinal powder used by the ancients to sprinkle on ulcers, to absorb perspiration, etc.