• WordNet 3.6
    • n agnomen an additional name or an epithet appended to a name (as in `Ferdinand the Great')
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Webster's Revised Unabridged Dictionary
    • Agnomen An additional name, or an epithet appended to a name; as, Aristides the Just .
    • Agnomen An additional or fourth name given by the Romans, on account of some remarkable exploit or event; as, Publius Caius Scipio Africanus .
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Century Dictionary and Cyclopedia
    • n agnomen An additional name given by the Romans to an individual in allusion to some quality, circumstance, or achievement by which he was distinguished, as Africanus added to the name of P. Cornelius Scipio; hence, in modern use, any additional name or epithet conferred on a person.
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Chambers's Twentieth Century Dictionary
    • n Agnomen ag-nō′men a surname added to the family name, generally on account of some great exploit, as Africanus to P. Cornelius Scipio.
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Webster's Revised Unabridged Dictionary
L.; ad, + nomen, name
Chambers's Twentieth Century Dictionary
L.—ad, to, and gnomen, nomen, a name.


In literature:

Note: Gibbonus secundum habet pro numero, quod tamen est viri agnomen Wagner, nota in loc.
"The History of The Decline and Fall of the Roman Empire Volume 2" by Edward Gibbon
Metellus was recalled, enjoyed a triumph, and received the agnomen of NUMIDICUS.
"History of Rome from the Earliest times down to 476 AD" by Robert F. Pennell
The usual agnomen of Gustavus Adolphus.
"Early Reviews of English Poets" by John Louis Haney
Sometimes there was also a fourth name, called the agnomen, added from some illustrious action, or remarkable event.
"Roman Antiquities, and Ancient Mythology" by Charles K. Dillaway
"Notes and Queries, Vol. V, Number 120, February 14, 1852" by Various