What is the meaning of Surname?

Synonym of epithet, an additional name, particularly those derived from a birthplace, quality, or achievement.

Synonym of nickname, an additional name given to a person, place, or thing, a byname.

The name a person shares with other members of that person's family, distinguished from that person's given name(s); a family name.

The cognomen of Roman names.

A clan.

To give a surname to.

To call by a surname.

epithet, nickname

surname, family name

alias, appellation

Source: wiktionary.org