Lat. In Ro man law. The solum italicum (an extension of the old Ager Romanus) admitted full ownership, and of the application to it of uswcapio; whereas the solum provinciale (an extension of the old Ager Publicus) admitted of a& possessory title only, and of longi temporis possessio only. Justinian abolished all disgtinctions between the two, sinking the italicum to the level of the provinciale. Brown.