post diemglossary / POST DIEM post diem (pohst dI-[schwa]m). [Latin] After the day. • A plea of payment post diem is made after the day when the money becomes due. 词条贡献者 法律翻译大智,毕业于世界顶级翻译学院,专注翻译各类与税务、财富规划服务和高管薪酬有关的法律文件。