'Door' in the Bible

Then Peter said unto her, How is it that ye have agreed together to tempt the Spirit of the Lord? behold, the feet of them which have buried thy husband are at the door, and shall carry thee out.

And when Herod would have brought him forth, the same night Peter was sleeping between two soldiers, bound with two chains: and the keepers before the door kept the prison.

And as Peter knocked at the door of the gate, a damsel came to hearken, named Rhoda.

But Peter continued knocking: and when they had opened the door, and saw him, they were astonished.

And when they were come, and had gathered the church together, they rehearsed all that God had done with them, and how he had opened the door of faith unto the Gentiles.