'Opening' in the Bible

Then take the bottle and put the oil on his head, and say, The Lord says, I have put the holy oil on you to make you king over Israel. Then, opening the door, go in flight, without waiting.

And Jezebel will become food for the dogs in the heritage of Jezreel, and there will be no one to put her body into the earth. Then, opening the door, he went in flight.

And Hezekiah took the letter from the hands of those who had come with it; and after reading it, Hezekiah went up to the house of the Lord, opening the letter there before the Lord.

So an opening was made in the wall of the town, and all the men of war went in flight by night through the doorway between the two walls which was by the king's garden; (now the Chaldaeans were stationed round the town:) and the king went by the way of the Arabah.