COLCHICINE
colchicine
(noun) an analgesic drug derived from the saffron plant and used to treat gout
Source: WordNet® 3.1
Etymology
Noun
colchicine (countable and uncountable, plural colchicines)
A highly toxic alkaloid, chemical formula C22H25NO6, originally extracted from plants of the genus Colchicum and formerly used to treat rheumatic complaints, now used mainly in the treatment of gout.
Source: Wiktionary
Col"chi*cine ( or ), n. Etym: [Cf. F. colchicine.] (Chem.)
Definition: A powerful vegetable alkaloid, C17H19NO5, extracted from the
Colchicum autumnale, or meadow saffron, as a white or yellowish
amorphous powder, with a harsh, bitter taste; -- called also
colchicia.
Source: Webster’s Unabridged Dictionary 1913 Edition