operor ātus, ārī, dep. opus, to work, labor, toil, take pains, be busied, devote oneself: in cute curandā, H.: rei p., L.: Conubiis arvisque novis, V.: studio operatus inhaesi, engrossed, O.

—Of religious observances, to perform, attend, offer: iustis operata sacris, H.: superstitionibus, L.: matutinis festa lucernis, Iu.

—To serve, do honor, render sacrifice: Cereri laetis operatus in herbis, V.: tibi operata resolvimus ora, devoted to thee, O.