'Bedchamber' in the Bible

They came into the house, as he lay on his bed in his bedchamber, and they smote him, and slew him, and beheaded him; and they took his head, and went by the way of the plain all night.

And one of his servants said, None, my lord, O king; but Elisha, the prophet that is in Israel, tells the king of Israel the words that thou speakest in thy bedchamber.

But Jehosheba, the daughter of king Joram, the sister of Ahaziah, took Joash the son of Ahaziah and stole him from among the king's sons that were slain, and hid him and his nurse in the bedchamber; and they hid him from Athaliah, so that he was not slain.

But Jehoshabeath the daughter of the king took Joash the son of Ahaziah and stole him from among the king's sons that were slain, and put him and his nurse in the bedchamber. So Jehoshabeath, the daughter of king Jehoram, the wife of Jehoiada the priest (for she was the sister of Ahaziah), hid him from Athaliah, so that she did not slay him;

Curse not the king, no, not in thy thought; and curse not the rich in thy bedchamber: for the bird of the air will carry the voice, and that which hath wings will tell the matter.