'Fountain' in the Bible

And I go out through the gate of the valley by night, and unto the front of the fountain of the dragon, and unto the gate of the dunghill, and I am measuring about the walls of Jerusalem, that are broken down, and its gates consumed with fire.

And I pass over unto the gate of the fountain, and unto the pool of the king, and there is no place for the beast under me to pass over,

And the gate of the fountain hath Shallum son of Col-Hozeh, head of the district of Mizpah, strengthened: he doth build it, and cover it, and set up its doors, its locks, and its bars, and the wall of the pool of Siloah, to the garden of the king, and unto the steps that are going down from the city of David.

and by the gate of the fountain and over-against them, they have gone up by the steps of the city of David, at the going up of the wall beyond the house of David, and unto the water-gate eastward.