Lat in Roman law. Tbe legal relatlon existing between two Certain persons whereby one (the creditor) is au-thorlzed to demand of the otber (the debtor) a certain performance which has a money value. In this sense obligatio signifies not o^ly the duty of the debtor, but also tbe rlght of the creditor. The fact establishing such claim and debt, as also tbe lnstrument evl-dencing it, is termed “obligation.” Mackeld. Rom. Law,. | 360
Source: Black’s Law Dictionary 2nd Ed (1910)
