I.gen. plur. septuagenarum, Cod. Th. 14, 4, 4, § 1), num. distrib. adj. [septuaginta], seventy each: “pyramides in imo latae pedum quinum septuagenum,” Plin. 36, 13, 19, § 92; “for which, in one word, fistula septuagenumquinum,” Front. Aquaed. 57; cf. sexageni.—
II. Seventy at a time, seventy: “septuagies septuageni pedes,” Col. 5, 2, 7.—Sing., each seventieth: “coitu,” Plin. 26, 10, 63, § 99.