from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An antidote against poison, especially a confection formerly held to be an antidote to all poisons.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A universal antidote against poison
from the GNU version of the Collaborative International Dictionary of English
- n. An antidote against poison, or a composition in form of an electuary, supposed to serve either as a remedy or a preservative against poison; an alexipharmic; -- so called from King Mithridates, its reputed inventor.
from The Century Dictionary and Cyclopedia
- n. In old pharmacy, one of various compositions of many ingredients in the form of electuaries, supposed to serve either as an antidote or as a preservative against poison.
Medieval Latin mithridātum, alteration of Late Latin mithridātīum, from Latin, neuter of Mithridātīus, of Mithridates, from Greek mithridāteios, after Mithridates VI, who is said to have acquired tolerance for poison.(American Heritage® Dictionary of the English Language, Fourth Edition)