from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To fill with venom; embitter.
- transitive v. Archaic To poison.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. poison
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To poison; to impoison.
- n. Poison.
from The Century Dictionary and Cyclopedia
- To poison; affect with or as if with poison; act noxiously upon; embitter.
From Middle French empoisonner, from poison. (Wiktionary)