snakestone

[ sneyk-stohn ]
/ ˈsneɪkˌstoʊn /

noun

a piece of porous material popularly supposed to neutralize the toxic effect of a snakebite.

Origin of snakestone

First recorded in 1655–65; snake + stone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019