reus promittendiglossary / REUS PROMITTENDI reus promittendi (ree-[schwa]s proh-mi-ten-dI). [Latin “party promising”] Roman law. The answerer in a Roman-law stipulation. — Also termed promissor. See STIPULATION(3). 词条贡献者 双语律师蓉婧,国内知名法学院民商法专业,擅长翻译各类与数据隐私及安全相关的法律文件。