The American Heritage® Dictionary of the English Language, 4th Edition
n. A poisonous, pale-yellow alkaloid, C22H25NO6, obtained from the autumn crocus and used in plant breeding to induce chromosome doubling and in medicine to treat gout.
n. 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.
the GNU version of the Collaborative International Dictionary of English
n. 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.
The Century Dictionary and Cyclopedia
n. A poisonous alkaloid (C17H19NO5) obtained from the bulbs and seeds of plants of the genus Colchicum. It apparently represents the virtues of the crude drug.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an analgesic drug derived from the saffron plant and used to treat gout
Word Usage
"Standard treatment for gout includes fairly inexpensive nonsteroidal anti-inflammatory drugs like ibuprofen, steroids such as prednisone and another older medicine, called colchicine."