mailableglossary / MAILABLE mailable, adj. (Of a letter or package) lawful to send through a postal service. [Cases: Postal Service 13. C.J.S. Postal Service and Offenses Against Postal Laws §§ 6, 15.] 词条贡献者 资深译员Christina,毕业于英国一流的高级翻译学院,擅长翻译涉及教育培训领域的法律文件。