Pools and Ponds: Water of, Brought Into the City by a Ditch or Conduit
Source: TTT
Isaiah 22:11
You built a reservoir between the walls for the waters of the ancient pool, but you did not look to the One who made it, or consider Him who planned it long ago.
2 Kings 20:20
As for the rest of the acts of Hezekiah, along with all his might and how he constructed the pool and the tunnel to bring water into the city, are they not written in the Book of the Chronicles of the Kings of Judah?