'Locked' in the Bible

Then Ehud went out into the vestibule and shut the doors of the upper chamber behind him, and locked them.

When Ehud departed, Eglon’s servants came. And when they saw that the doors of the upper room were locked, they said, “He is only relieving himself in the cool room.”

For Zedekiah [the last] king of Judah had locked him up, saying, “Why do you prophesy [disaster] and say, ‘Thus says the Lord, “Behold, I am giving this city into the hand of the king of Babylon, and he shall take it;

“We found the prison securely locked and the guards standing at the doors, but when we opened [the doors], we found no one inside.”

And this is just what I did in Jerusalem; I not only locked up many of the saints (God’s people) in prison after receiving authority from the chief priests, but also when they were being condemned to death, I cast my vote against them.