1. An acute fever. [Obs.] “Brenning agues.”
2. Med. A fever characterized by paroxysms of high fever and shaking chills.
3. The cold fit or rigor of malaria or any other intermittent fever; as, fever and ague.
4. A chill, or state of shaking, as with cold.
Ague cake, an enlargement of the spleen produced by ague.
Ague drop, a solution of the arsenite of potassa used for ague.
Ague fit, a fit of the ague. --Shak.
Ague spell, a spell or charm against ague. --Gay.
Ague tree, the sassafras, -- sometimes so called from the use of its root formerly, in cases of ague. [Obs.]