from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A bitter crystalline compound, C10H12O4, that is the active ingredient of cantharides and produces blistering of the skin.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A volatile organic compound in cantharis, or Spanish fly.
from the GNU version of the Collaborative International Dictionary of English
- n. The active principle of the cantharis, or Spanish fly, a volatile, acrid, bitter solid, crystallizing in four-sided prisms.
from The Century Dictionary and Cyclopedia
- n. A peculiar poisonous substance (C5H6O2) existing in the Cantharis vesicatoria (Spanish fly) and other insects, and causing vesication.
Sorry, no etymologies found.