Home › Words › M › mousepoxmousepoxmousepox means A skin disease of mice, similar to smallpox, caused by virus of species Orthopoxvirus ectromelia.EtymologyFrom mouse + pox.nounA skin disease of mice, similar to smallpox, caused by virus of species Orthopoxvirus ectromelia.Definitions & examples from Wiktionary (CC BY-SA 3.0).