1. (noun)alastrim, variola minor, pseudosmallpox, pseudovariola, milk pox, white pox, West Indian smallpox, Cuban itch, Kaffir pox a mild form of smallpox caused by a less virulent form of the virus Synonyms: milk pox, pseudovariola, pseudosmallpox, variolaminorvirus, white pox, alastrim, variolaminor