'Door' in the Bible

And Peter said to her, Why is it that ye have agreed together to tempt the Spirit of the Lord? Lo, the feet of those that have buried thy husband are at the door, and they shall carry thee out.

And when Herod was going to bring him forth, that night Peter was sleeping between two soldiers, bound with two chains, and guards before the door kept the prison.

And when he had knocked at the door of the entry, a maid came to listen, by name Rhoda;

And having arrived, and having brought together the assembly, they related to them all that God had done with them, and that he had opened a door of faith to the nations.