(jus civile is the domain which ... is member of) (Roman law) a formal award by a magistrate of a thing or person to another person (as the award of a debtor to his creditor); a surrender to a master
"under Roman law addiction was the justification for slavery"
(jus civile is the domain which ... is member of) make an oral contract or agreement in the verbal form of question and answer that is necessary to give it legal force