madstone

noun
mad·​stone | \ ˈmad-ˌstōn How to pronounce madstone (audio) \

Medical Definition of madstone

: a stony concretion (as a hair ball taken from the stomach of a deer) supposed formerly in folklore and by some physicians to counteract the poisonous effects of the bite of an animal (as one affected with rabies)

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Cite this Entry

“Madstone.” The Merriam-Webster.com Medical Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/medical/madstone. Accessed 6 December 2019.

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