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Webster 1913 Edition

Adj.

[F.

quartain

, in

fièvre quartaine

, L.

quartanus

, fr.

quartus

the fourth. See

Of or pertaining to the fourth; occurring every fourth day, reckoning inclusively;

as, a

quartan

ague, or fever

Noun.

(Med.)

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.

, quort'an. [L. quartanus, the fourth.]

Designating the fourth; occurring every fourth day; as a quartan ague or fever.