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Wendy,欧洲知名商学院国际金融专业,擅长翻译各种与私募基金相关的法律文件。