Definitions for quartanˈkwɔr tn
Random House Webster's College Dictionary
recurring every fourth day, both days of consecutive occurrence being counted:
(n.)a quartan fever, ague, etc.
Origin of quartan:
1250–1300; ME quartaine < OF < L (febris) quārtāna quartan (fever), fr. quārt(us)fourth+-ānus -an1
a malarial fever that recurs every fourth day
occurring every fourth day (especially the fever and weakness of malaria)
A fever whose symptoms recur every four days.
Recurring every four days; especially in designating a form of malaria with such symptoms.
Origin: quartaine, quartaine, from quartana (short for febris quartana), noun use of feminine form of quartanus, from quartus.
of or pertaining to the fourth; occurring every fourth day, reckoning inclusively; as, a quartan ague, or fever
an intermittent fever which returns every fourth day, reckoning inclusively, that is, one in which the interval between paroxysms is two days
a measure, the fourth part of some other measure