quartan

• POS: Adjective
• HYPHEN: quar=tan

CIDE DICTIONARY

quartan, a. [F. quartain, in fièvre quartaine, L. quartanus, fr. quartus the fourth. See Quart.].

 Of or pertaining to the fourth; occurring every fourth day, reckoning inclusively; as, a quartan ague, or fever.  [1913 Webster]

quartan, n. 

•  An intermittent fever which returns every fourth day, reckoning inclusively, that is, one in which the interval between paroxysms is two days.  [1913 Webster]
•  A measure, the fourth part of some other measure.  [1913 Webster]

OXFORD DICTIONARY

quartan, adj. (of a fever etc.) recurring every fourth day.

Etymology

ME f. OF quartaine f. L (febris fever) quartana f. quartus fourth