<p><strong>Noun</strong></p><ul><li>Pathology. a disease characterized by multiple skin pustules, as smallpox.</li><li>syphilis.</li><li>Also called soil rot.</li><li>Plant Pathology. a disease of sweet potatoes, characterized by numerous pitlike lesions on the roots, caused by a fungus, Streptomyces ipomoea.</li><li>(used as an interjection to express distaste, rejection, aversion, etc.): A pox on you and your bright ideas!</li></ul>