What is another word for madstone?
Pronunciation: [mˈadstə͡ʊn] (IPA) 
Madstone is an archaic term that refers to a small, porous rock traditionally believed to have healing properties. There are several synonyms for this term, including bezoar, stomach stone, cow stone, and lodge. Bezoar is a Greek term that means antidote, and it refers to the stone's supposed ability to absorb toxins from the body. Stomach stone and cow stone refer to the traditional practice of using the stone to treat indigestion and other gastrointestinal ailments in cows and other livestock. Lodge, on the other hand, is a more general term that can refer to any small, hard object that is believed to possess magical or healing properties.
