an additional cognomen附加名
1. Rufus is an unusual cognomen.
漢魯弗斯不是一個平常的姓。
來自辭典例句
1. a familiar name for a person (often a shortened version of a person's given name);
"Joe's mother would not use his nickname and always called him Joseph"
"Henry's nickname was Slim"
2. the name used to identify the members of a family (as distinguished from each member's given name)