qualified domestic trustglossary / qualified domestic trust A trust for a noncitizen spouse qualifying for the marital deduction. 26 USCA § 2056(d). — Abbr. QDOT. See marital deduction under DEDUCTION. Cf. QTIP trust. 词条贡献者 双语律师William,国内知名法学院金融专业,擅长翻译各类与投资基金、投资顾问及金融衍生工具相关的法律文件。