MI old-fashioned a fever that makes you shake and feel cold 疟疾热
Examples from the Corpus
ague• Athelstan studied the jars, dismissing them as nothing but mildcures for ague, aches and pains.• Louis, he was suffering from ague and dropsy.• Richard now pressed on to Salerno, where he wanted to discuss a recurrentague with the city's famous doctors.• At first I thought it was some ague but it proved to the SweatingSickness.• The figures on the screen seemed to be shaking with the ague and they moved their lips like mutes.• I was ill at the time with the ague but I remember the verdict being recorded.• The trees shook, all their young leaves shivering as if with ague or fear of the approachingstorm.
Originague
(1300-1400)Old FrenchMedieval Latin(febris) acuta“sharp fever”, from Latinacutus; → ACUTE