Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why

quartan

[L. quartanus, the fourth.]

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

quartan

noun
An intermitting ague that occurs every fourth day, or with intermissions of seventy two hours.

quartan

A measure containing the fourth part of some other measure.