septŭāgēni, ae, a (
* 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.
* Seventy at a time, seventy: septuagies septuageni pedes,Col. 5, 2, 7.—Sing., each seventieth: coitu,Plin. 26, 10, 63, § 99.