— agnominal /ag nom"euh nl/ , adj.
/ag noh"meuhn/ , n. , pl. agnomina /-nom"euh neuh/ .
1. 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." Cf. cognomen (def. 3).
2. a nickname.
[ 1745-55; ad- AD- + nomen name, with alter. to ag- through influence of agnoscere; see AGNIZE ]