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Meaning of toadstone

toad•stone

Pronunciation: (tōd'stōn"), [key]
— n.
  1. any of various stones or stonelike objects, formerly supposed to have been formed in the head or body of a toad, worn as jewels or amulets.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.