quarterly (adv.) Copy link Outline I. In gen. sense, by quartersII. Every three months • quarterly (adv.): I. In gen. sense, by quarters: quadrĭfărĭam (v. supra); quadrĭfărĭter, Paul. Dig. 38, 10, 10, § 14: quadrĭpartito, Col. 4, 26, 3. II. Every three months: *quarto quoque mense (like quinto quoque anno, every four years: Cic. Verr. 2, 2, 56): to make up an account q.ly, quarto post mense rationem ductare (cf. Pl. Am. 2, 2, 38); or, ducere, Cic. Verr. 2, 2, 52; or, inire, Caes. B. G. 7, 71 (cf. id. ib. 6, 19, the acc. is made up, ratio habetur): to render, etc., quarto post mense r. reddere, Pl. Men. 1, 3, 23; referre, Cic. Verr. 2, 1, 39; rationes referre, id. ib. 5, 24.