from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A stone once worn as a charm and believed to have been formed in the body of a toad.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A small stone, once believed to be a jewel embedded in the head of a toad, worn as a amulet
from the GNU version of the Collaborative International Dictionary of English
- 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.
- n. Bufonite, formerly regarded as a precious stone, and worn as a jewel. See Bufonite.
from The Century Dictionary and Cyclopedia
- n. Any one of various natural or artificial objects resembling a toad in form or color, or which were believed to have been formed within the body of that animal, and which for many centuries, and over a large part of Europe, were held in high regard, and preserved with the greatest care. ;
- n. In geology, a volcanic rock varying in texture from a soft crumbly ash to a hard close-grained greenstone, several beds of which occur in the magnesian limestone of the lead-mining district of Derbyshire
Sorry, no etymologies found.
Dr. Clarke noticed among the pebbles near the Lake of Tiberias pieces of a porous rock resembling the substance called toadstone in England; its cavities were filled with zeolite.
Friar John singled him out of the whole knot of these rogues in grain, a red-snouted catchpole, who upon his right thumb wore a thick broad silver hoop, wherein was set a good large toadstone.
At last he, with a low courtesy, put on her medical finger a pretty handsome golden ring, whereinto was right artificially enchased a precious toadstone of Beausse.
I thought his favor was excessive; certainly I never thought their powers were any more real than those cheapjack toadstone-peddlers or the granny-wives who claim they can put a bad word on someone's cow.
Agate was in more frequent use, being easier to obtain, as were various objects alleged to be toadstone—that nonexistent precious jewel believed to be hidden in the head of the toad.
It was a seventeenth-century toadstone ring that had belonged to his mother before her death.
"A toadstone, I suppose?" replied Sir Ronald, lightly.
Last of all he showed me a toadstone amulet set in silver, a charm to prevent and ward off the spells of fairies.
This is the cause of the difference between those erupted lavas, and our whinstone, toadstone, and the Swedish trap, which may be termed subterraneous lava.
THE whinstone of Scotland is also the same with the toadstone of Derbyshire, which is of the amygdaloides species; it is also the same with the ragstone of the south of Staffordshire, which is a simple whinstone, or perfect trap.