madstone

noun
mad·stone | \ ˈmad-ˌstōn \

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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Dictionary Entries near madstone

mad itch

madman

madness

madstone

Madura foot

maduromycosis

madwoman

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occurring twice a year or every two years

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