From Longman Dictionary of Contemporary Englishpoxpox /pɒks $ pɑːks/ noun old use 1 → the pox2 → a pox on somebody → chicken pox
Examples from the Corpus
pox• If it was a time of science and silks and gilded barges, it was also a time of pox.• Some pox formed in his throat and, unable to swallow, he died on March 22,1758.• Bills for gambling debts are stuffed beneath an overflowing chamber-pot and the Prince is surrounded by medications for indigestion and the pox.Origin pox (1300-1400) pocks, plural of pock “mark on the skin”, from Old English pocc 