in potestate parentisglossary / IN POTESTATE PARENTIS in potestate parentis (in poh-tes-tay-tee p[schwa]-ren-tis), adv. & adj.[Latin] Hist. In the power of a parent. See patria potestas under POTESTAS. 词条贡献者 双语律师李黎,国际知名法学院法律专业,擅长翻译各类与消费者金融诉讼相关的法律文件。