Noun | 1. | ![]() pox - a contagious disease characterized by purulent skin eruptions that may leave pock marks alastrim, Cuban itch, Kaffir pox, milk pox, pseudosmallpox, pseudovariola, variola minor, West Indian smallpox, white pox - a mild form of smallpox caused by a less virulent form of the virus pock - a pustule in an eruptive disease |