From Longman Dictionary of Contemporary Englishaguea‧gue /ˈeɪɡjuː/ noun [countable, uncountable] MI old-fashioned a fever that makes you shake and feel cold
Examples from the Corpus
ague• Athelstan studied the jars, dismissing them as nothing but mild cures 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 recurrent ague with the city's famous doctors.• At first I thought it was some ague but it proved to the Sweating Sickness.• 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 approaching storm.Origin ague (1300-1400) Old French Medieval Latin (febris) acuta “sharp fever”, from Latin acutus; → ACUTE