Ague

Chamber's Twientieth Century Dictionary · 1908 · p. 5

ā′gū, n. a fever coming in periodical fits, accompanied with shivering: chilline : quaking.— adj. A′gued , struck with ague: shivering: cold; A′guish . [O. Fr. aigue (Fr. aigu , sharp)—L. acutus . See Acute .]