from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See thebaine.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A poisonous alkaloid, also known as thebaine, obtained from opium; not used in medicine; but used as a precursor for the manufacture of some medicines.
from The Century Dictionary and Cyclopedia
- n. Same as thebain.
Sorry, no etymologies found.
** paramorphine, an opiate alkaloid (opioid license here, because instead of depressing the central nervous system, it resembles strychnine in its action, causing tetanic convulsions).