English dictionary

cognomen

/k/A/g'n/oU/m/@/n/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

a familiar name for a person (often a shortened version of a person's given name)

noun.communication

Synonyms byname moniker nickname sobriquet soubriquet

Source: WordNet 3.0
the name used to identify the members of a family (as distinguished from each member's given name)

noun.communication

Synonyms family name last name surname

Source: WordNet 3.0
The last of the three names of a person among the ancient Romans, denoting his house or family.

noun

Source: webster1913