- Of or pertaining to the fourth; occurring every fourth
day, reckoning inclusively; as, a quartan ague, or fever.
2 . Quartan
[ n.]
- 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.
Meaning of 'quartan' (Princeton's WordNet)
1 . quartan
[ a]
Meaning (1): - occurring every fourth day (especially the fever and weakness of malaria)