Lewis & Short

Ŏcrēsĭa (Ŏcrīsĭa), ae, f., a female slave of Tanaquil, the mother of king Servius Tullius, Ov. F. 6, 627; Plin. 36, 27, 70, § 204; Aur. Vict. Vir. Ill. 7, 1.
Form Ocrisia Arn. 5, 18.