senior mortgageglossary / senior mortgage A mortgage that has priority over another mortgage (a junior mortgage) on the same property. [Cases: Mortgages 151. C.J.S. Mortgages §§ 210–212, 226.] 词条贡献者 资深译员Connie,国际知名法学院金融专业,擅长翻译各类与证券监管执法相关的法律文件。