柯林斯詞典cognomen /k?ɡ?n??m?n/ 1. N (originally) an ancient Roman's third name or nickname, which later became his family name 原為古羅馬人姓名的第三名字或其綽號(hào)，后成為其姓氏→see also agnomen , nomen , praenomen 返回 cognomen