fiduciary contractglossary / FIDUCIARY CONTRACT fiduciary contract. Hist. An agreement by which one party delivers something to another on condition that the second party will return the thing to the first. 词条贡献者 资深译员Michael,毕业于一所培养高级翻译以及跨文化事务专家的精英大学,专注翻译各种与商业地产租赁有关的法律文件。