1An extra personal name given to an ancient Roman citizen, functioning rather like a nickname and typically passed down from father to son.
- ‘Documents dating between 1521 and 1524 attest that he had assumed the cognomen Lieto, the Italian version of Laetus, substituting this for his actual patronymic, Allegri.’
- ‘Scipio received the cognomen Africanus and returned to Rome to celebrate a triumph.’
- ‘Robert Fitzgerald correctly refers to Athena's cognomen in the first book of the Odyssey as ‘Mentes.’’
- ‘A grateful Senate voted him the cognomen Augustus, by which name he is generally known in the history books.’
- ‘‘The name ‘Caesar’ is a cognomen, a nickname given to one member of a Roman clan and borne by his descendants as a kind of surname.’
- 1.1A name; a nickname.
- ‘With the cant of abolitionism well amplified, Missourians took up the cognomen of Southerners more widely, yet still largely as a defense of the peculiar institution.’
- ‘Galaxy's tough, brawling style earned him the cognomen, ‘The Thai Tyson’ and his record certainly shows a man who dominated his division.’
- ‘It didn't last long under that cognomen and now goes by the less enticing Pan Nice Lady Bar.’
- ‘One of the new owners bears the cognomen of Mark and, as many people know, the Thai phrase that sounds a lot like ‘mark, mark’ means ‘much’ or ‘a lot of’.’
- ‘The first revolver bearing the cognomen LadySmith was the Model M Hand Ejector of 1902.’
Latin, from co- together with + gnomen, nomen name.