time lock

noun

1. a lock, as for the door of a bank vault, equipped with a mechanism that makes it impossible to operate the lock within certain hours.

Word History and Origins

Origin of time lock¹

First recorded in 1865–70

Example Sentences

The three and three-quarter minutes which it is necessary to wait, while the time lock is opening, are to me golden moments.

From The Daily Beast

You see, Mr. Headland, I only use the time-lock when I have money or any special papers in the safe.

From Project Gutenberg

After the formal introduction Lady Beryl led the way into the library, wherein stood the time-lock safe.

From Project Gutenberg

Yes; it's in the vault where we keep the account books, and there's no time lock.

From Project Gutenberg

Felix had been experimenting with a new type of time lock and had forgotten to throw the electrical switch that controlled it.

From Project Gutenberg

The best locks are of the combination type, with time lock attachment.

From Project Gutenberg