'Thickness' in the Bible

And behold, there was a wall all around the outside [area] of the temple (house) [of the Lord], and in the man’s hand a measuring rod six cubits long (10.2 ft.), each cubit being longer than the standard one by a hand width. So he measured the thickness of the wall, one rod; and the height, one rod.

The thickness of the outer wall of the side chambers was five cubits. But the free space between the side chambers belonging to the temple