the name of a patrician family of the Cornelia gens.
This family produced many illustrious men in the fifth century before the Christian aera, but afterwards sunk into obiivion.
The name " Cossus" was afterwards revived as a praenomen in the family of the Lentuli, who belonged to the same gens. The Cossi and Maluginenses were probably one family originally, for at first both these surnames are united, as for instance, in the case of Ser. Cornelius Cossus Maluginensis, consul in B. C. 485. [ MALUGINENSIS.] Afterwards, however, the Cossi and Maluginenses became two separate families.