Agnomen

[æg'nәumen]

(noun.) an additional name or an epithet appended to a name (as in `Ferdinand the Great').

Typist: Randall--From WordNet

(n.) An additional or fourth name given by the Romans, on account of some remarkable exploit or event; as, Publius Caius Scipio Africanus.

(n.) An additional name, or an epithet appended to a name; as, Aristides the Just.

Inputed by Davis

n. a surname added to the family name generally on account of some great exploit as Africanus to P. Cornelius Scipio.

Typist: Ollie