Meaning of the word cognomen in English

What does cognomen mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

cognomen

US /kɑːɡˈnoʊ.mən/
UK /kɒɡˈnəʊ.men/

Noun

an additional name or a nickname

Example:
His cognomen, 'The Lionheart,' perfectly described his bravery.
In ancient Rome, a cognomen was often a family name or a nickname indicating a characteristic.