expromissorglossary / EXPROMISSOR expromissor (eks-pr[schwa]-mis-[schwa]r), n. Roman law. One who assumes another’s debt and becomes solely liable for it, by a stipulation with the creditor. 词条贡献者 译者Carl,知名法学院保险学专业,擅长翻译各种与保险理赔追索相关的法律文件。