lex publicaglossary / LEX PUBLICA lex publica (leks p[schwa]b-li-k[schwa]). [Latin “public law”] Roman law.1. A law passed by a popular assembly and binding on all people.2. A written law. — Sometimes shortened to lex. 词条贡献者 双语律师Julie,国际知名法学院法律专业,擅长翻译各类与证券监管、合规与执法相关的法律文件。