Pronunciation: (poks), [key]
1. a disease characterized by multiple skin pustules, as smallpox.
3. Also called soil rot. Plant Pathol.a disease of sweet potatoes, characterized by numerous pitlike lesions on the roots, caused by a fungus, Streptomyces ipomoea.
4. (used interjectionally to express distaste, rejection, aversion, etc.): A pox on you and your bright ideas!
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.