Wa'ter-tā'ble, n.
n. 1. (Arch.) A molding, or other projection, in the wall of a building, to throw off the water.
Sense 2. (Steam-boilers.) A thin space for water, communicating with the other water-spaces, and inclosed by plates which are stayed together, and form a part of the heating surface;—called also water-bridge.
☞ Vertical water-spaces are called mid-feathers.