PESTILENCE Copy link • PESTILENCEpestilentia (an epidemic sickness): lues (as the impure material, or cause of disease): morbus pernicialis (a mortal disease; ☞ pestis is not used in this sense by the best prose writers; with them it has only the sense of “a pest”): a pestilence breaks out in a city, pestilentia incidit in urbem: a city suffers from pestilence, pestilentia urit urbem: to die of pestilence, pestilentia absumi: to be a remedy against a pestilence, pestilentiae contagia prohibere.