octōgēnārĭus

I. containing eighty (post-Aug.): exheredata ab octogenario patre, Plin. Ep. 6, 33, 2; Vulg. 2 Reg. 19, 35: fistula, Vitr. 8, 7.—

II. Subst.: octōgē-nārĭus, ĭi, m., a commander of eighty soldiers, Inscr. Orell. 3628.