Otācilius, i, m., Otācilia, ae, f., the name of a Roman gens. So, Otacilius Crassus, an adherent of Pompey, Caes. B. C. 3, 28 sq.
— T. Otacilius, a propraetor, Liv. 22, 56.
—In fem.: OTACILIA, Inscr. Grut. 29, 2; Eckh. D. N. 7, p. 332.
—Hence, OTACILIANA VILLA, of an Otacilius, Inscr. Marin. Fratr. Arv. p. 577.