first mortgageglossary / first mortgage A mortgage that is senior to all other mortgages on the same property. [Cases: Mortgages 151. C.J.S. Mortgages §§ 210–212, 226.] 词条贡献者 资深译员Betty,毕业于亚洲一流的高级翻译学院,专注翻译各种与商业移民有关的法律文件。