armentārĭus, a, um, adj. [id.], pertaining to a herd of cattle: morbi, Sol. 11: equiso, App. M. 7.—Hence, II.Subst.: armentārĭus, ii, m.A.A herdsman, neat-herd, Lucr. 6, 1252; Varr. R. R. 2, 5, 18: omnia secum Armentarius Afer agit, Verg. G. 3, 344: armentarius ego sum, Vulg. Amos, 7, 14.—B.A surname of the emperor Galerius Maximianus, whose ancestors were shepherds, Aur. Vict. Ep. 40.