PROLONGATION. Time added to the duration of something.
2. When the time is lengthened during which a party is to perform a contract, the sureties of such a party are in general discharged, unless the sureties consent to such prolongation. See Giving time.
3. In the civil law the prolongation of time to the principal did not discharge the surety. Dig. 2, 14, 27; Id. 12, 1, 40.