柯林斯词典cognomen /kɒɡˈnəʊmɛn/ 1. N (originally) an ancient Roman's third name or nickname, which later became his family name 原爲古羅馬人姓名的第三名字或其綽號，後成爲其姓氏→see also agnomen , nomen , praenomen 返回 cognomen