lex siliaglossary / LEX SILIA lex Silia (leks sil-ee-[schwa]). [Latin] Roman law. A law providing for personal actions for a fixed sum of money; specif., a law from perhaps 250 B.C. introducing the legis actio per condictionem to claim a fixed sum of money. 词条贡献者 译者亚明,毕业于国内一流的高级翻译学院,擅长翻译各种与网络安全、隐私和数据保护相关的法律文件。