noun. ['ˌpætrəˈnɪmɪk'] a family name derived from name of your father or a paternal ancestor (especially with an affix (such as -son in English or O'- in Irish) added to the name of your father or a paternal ancestor).
Rhymes with Patronymic
Sentences with patronymic
Prior to that, the first name and name of their father was the full name, or "patronymic."