Definition of time lock
noun
a lock fitted with a device that prevents it from being unlocked until a set time. a device built into a computer program to stop it from operating after a certain time.
verb
(time-lock) [with object] secure (a door or other locking mechanism) with a time lock. link (something) inextricably to a certain period of time:an overdone theme tends to time-lock a setting and stifle imagination