ad pios ususglossary / AD PIOS USUS ad pios usus (ad pI-ohs yoo-s[schwa]s oryoo-z[schwa]s), adv. [Law Latin] For pious (religious or charitable) uses or purposes. • This phrase was used in reference to gifts and bequests. 词条贡献者 法律翻译徐玲,知名法学院保险法专业,专注翻译各类与保险追偿有关的法律文件。