fiduciary heirglossary / fiduciary heir Roman & civil law. An heir who takes property as a trustee on behalf of a person who is not eligible to receive the property immediately. See FIDEICOMMISSUM. 词条贡献者 资深译员Steven,毕业于美国一流的高级翻译学院,专注翻译各种与政府政策有关的法律文件。