Medical Dictionary


noun mad·stone \ˈmad-ˌstōn\

Medical Definition of madstone

  1. :  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)

Seen and Heard

What made you want to look up madstone? Please tell us where you read or heard it (including the quote, if possible).