'Middle' in the Bible

And the land from Gilead to the valley of the Arnon, with the middle of the valley as a limit, as far as the river Jabbok which is the limit of the country of the children of Ammon, I gave to the Reubenites and the Gadites;

And take all the goods into the middle of its open space, burning the town and all its property with fire as an offering to the Lord your God; it is to be a waste for ever; there is to be no more building there.