cognatusglossary / COGNATUS cognatus (kog-nay-t[schwa]s), n. & adj.[Latin] Roman law. A cognatic relative; a person related to another by a common ancestor. — Also termed cognate. Cf. AGNATUS. Pl. cognati. 词条贡献者 资深译员筠怡,国际知名法学院民商法专业,专注翻译各种与商业和侵权诉讼有关的法律文件。