toadstone


toad·stone

T0242800 (tōd′stōn′)n. A stone once worn as a charm and believed to have been formed in the body of a toad.

toadstone

(ˈtəʊdˌstəʊn) n (Geological Science) rare an amygdaloidal basalt occurring in the limestone regions of Derbyshire[C18: perhaps from a supposed resemblance to a toad's spotted skin]

toad•stone

(ˈtoʊdˌstoʊn)

n. any of various stonelike objects, usu. fossilized animal parts, formerly supposed to have been formed in the body of a toad, worn esp. as amulets to protect against poison.