Quintan
Pronunciation : Quin"tan
Part of Speech : a.
Etymology : [L. quintanus, fr. quintus fifth, quinque five. See Five.]
Definition : Defn: Occurring as the fifth, after four others also, occurring every fifth day, reckoning inclusively; as, a quintan fever. -- n. (Med.)
Defn: An intermittent fever which returns every fifth day, reckoning inclusively, or in which the intermission lasts three days.
Source : Webster's Unabridged Dictionary, 1913