"pox" in the noun sense
1. syphilis, syph, pox, lues venerea, lues
a common venereal disease caused by the treponema pallidum spirochete symptoms change through progressive stages can be congenital (transmitted through the placenta)
a contagious disease characterized by purulent skin eruptions that may leave pock marks
Source: WordNet® (An amazing lexical database of English)
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