'Aqueduct' in the Bible

So the LORD told Isaiah, "Go out to meet Ahaz, you and your son Shear-jashub, at the end of the aqueduct of the Upper Pool that proceeds along the highway to Launderer's Field.

Then the king of Assyria sent his field commander, along with a very large army, from Lachish to King Hezekiah at Jerusalem. When the field commander stopped at the aqueduct at the Upper Pool on the road to Laundryman's Field,