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 双语律师Wayne,国际知名法学院法律专业,擅长翻译各类与遗产及遗嘱争议相关的法律文件。