Word Study
toadstone
CIDE DICTIONARY
toadstone, n.
- A local name for the igneous rocks of Derbyshire, England; -- said by some to be derived from the German todter stein, meaning dead stone, that is, stone which contains no ores. [1913 Webster]
- Bufonite, formerly regarded as a precious stone, and worn as a jewel. See Bufonite. [1913 Webster]
OXFORD DICTIONARY
toadstone, n. a stone, sometimes precious, supposed to resemble or to have been formed in the body of a toad, formerly used as an amulet etc.
For further exploring for "toadstone" in Webster Dictionary Online