What does ADSTIPULATOR mean?

ADSTIPULATOR meaning in Law Dictionary

In Roman law. An accessory celebration to a promise, who got similar vow as their principal performed, and may equally obtain and specific payment; or rest just stipulated for an integral part of that which is why the key stipulated, after which their liberties had been coextensive because of the amount of his or her own stipulation. Sandars, Simply. Inst. (5th Ed.) 348.