'Roof' in the Bible

and it cometh to pass, at evening-time, that David riseth from off his couch, and walketh up and down on the roof of the king's house, and seeth from the roof a woman bathing, and the woman is of very good appearance,

And they spread out for Absalom the tent on the roof, and Absalom goeth in unto the concubines of his father before the eyes of all Israel.

And David is sitting between the two gates, and the watchman goeth unto the roof of the gate, unto the wall, and lifteth up his eyes, and looketh, and lo, a man running by himself.