Precontract
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
An engagement entered into by a person which renders him unable to enter into another; as, a promise or covenant of marriage to be had afterwards. When made per verba de presenti, it is in fact a marriage, and in that case the party making it cannot marry another person.