fideicommissary heirglossary / fideicommissary heir (fI-dee-I-kom-i-sair-ee).Roman & civil law A beneficiary of property who succeeds the direct (original) heir. See FIDEICOMMISSUM. 词条贡献者 法律翻译Wayne,毕业于一所培养最顶级翻译人才的语言学院,专注翻译各类与调查、政府执法和白领刑事辩护有关的法律文件。