'Castle' in the Bible

And it came to pass, when Zimri saw that the city was taken, that he went into the castle of the king's house, and burnt the king's house over him with fire, and died,

And Pekah the son of Remaliah, his captain, conspired against him, and smote him in Samaria, in the castle of the king's house, with Argob and Arieh; and with him were fifty men of the Gileadites: and he slew him, and reigned in his stead.

and a letter unto Asaph the keeper of the king's forest, that he may give me timber to make beams for the gates of the castle which appertaineth to the house, and for the wall of the city, and for the house that I shall enter into. And the king granted me, according to the good hand of my God upon me.

that I gave my brother Hanani, and Hananiah the governor of the castle, charge over Jerusalem; for he was a faithful man, and feared God above many.

A brother offended is harder to be won than a strong city; And'such contentions are like the bars of a castle.

And some shouted one thing, some another, among the crowd: and when he could not know the certainty for the uproar, he commanded him to be brought into the castle.

And as Paul was about to be brought into the castle, he saith unto the chief captain, May I say something unto thee? And he said, Dost thou know Greek?

the chief captain commanded him be brought into the castle, bidding that he should be examined by scourging, that he might know for what cause they so shouted against him.

And when there arose a great dissension, the chief captain, fearing lest Paul should be torn in pieces by them, commanded the soldiers to go down and take him by force from among them, and bring him into the castle.

But Paul's sister's son heard of their lying in wait, and he came and entered into the castle and told Paul.

But on the morrow they left the horsemen to go with him, and returned to the castle: