lex privataglossary / LEX PRIVATA lex privata (leks prI-vay-t[schwa]). [Latin “private law”] Roman law. A term in a private contract. — Sometimes shortened to lex. 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。