cognatioglossary / COGNATIO cognatio (kog-nay-shee-oh), n. [Latin] Roman law. The relationship between people having a common ancestor; a blood relationship; cognates. Cf. AGNATIO. 词条贡献者 资深译员文楷,毕业于亚洲一流的高级翻译学院,擅长翻译各类与电信、媒体和技术相关的法律文件。