- an additional, fourth name given to a person by the ancient Romans in allusion to some achievement or other circumstance, as “Africanus” in “Publius Cornelius Scipio Africanus.”Compare cognomen(def 3).
- a nickname.
Origin of agnomen
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for agnomen
I was a little anxious to know whether her ladyship would honour me with an agnomen.Tales And Novels, Volume 4 (of 10)
Most Latin authors have three names—the prenomen, which answers to our Christian name; the nomen, or family name; and the agnomen.
Latin authors to be registered under their nomens, except in those cases where the agnomen has been popularly adopted.
To counteract the confusion that would inevitably arise, an agnomen or "tee-name" is usually appended.Literary Tours in The Highlands and Islands of Scotland
Daniel Turner Holmes
Sometimes there was also a fourth name, called the agnomen, added from some illustrious action, or remarkable event.Roman Antiquities, and Ancient Mythology
Charles K. Dillaway
C18: from Late Latin, from ad- in addition to + nōmen name
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012