Aconite

1. n. An extract or tincture obtained from Aconitum napellus, used as a poison and medicinally.
2. n. The herb wolfsbane, or monkshood; — applied to any plant of the genus Aconitum (tribe Hellebore), all the species of which are poisonous.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.