Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: cognomen  kóg'now-mun or kóg-nu-mun
  1. A familiar name for a person (often a shortened version of a person's given name)
    "Joe's mother would not use his cognomen and always called him Joseph";
    - nickname, moniker, sobriquet, soubriquet, byname, monicker
  2. The name used to identify the members of a family (as distinguished from each member's given name)
    - surname, family name, last name

Derived forms: cognomens

Type of: appellation, appellative, denomination, designation, name

Encyclopedia: Cognomen