Ague

1. n. A chill, or state of shaking, as with cold.
2. n. An acute fever.
3. n. An intermittent fever, attended by alternate cold and hot fits.
4. n. The cold fit or rigor of the intermittent fever; as, fever and ague.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.