pinkertonglossary / PINKERTON pinkerton. Slang. A private detective or security guard, usu. one who is armed. • The name comes from the Pinkerton Detective Agency, the first private detective agency in the United States, established in 1852. 词条贡献者 译者Gloria,毕业于法国顶尖的高级翻译学院,擅长翻译各种与企业设立相关的法律文件。