waterwall

Noun

 * 1) A panel on the side of a furnace consisting of multiple tubes that carry water.
 * 2) An architectural feature consisting of a wall down which water flows.
 * 1) An architectural feature consisting of a wall down which water flows.
 * 1) An architectural feature consisting of a wall down which water flows.
 * 1) An architectural feature consisting of a wall down which water flows.