Caracalla Syllabification: (Car·a·cal·la)Pronunciation: /ˌkarəˈkalə/Definition of Caracalla (188–217), Roman emperor 211–217; born Septimius Bassanius; later called Marcus Aurelius Severus Antoninus Augustus. In 212, he granted Roman citizenship to all free inhabitants of the Roman Empire. Caracalla in other Oxford dictionaries Definition of Caracalla in the British & World English dictionary