ClipArt ETC
"Four-way cock, a cock having two passages in the plug and four passage-ways for delivery, or one which unites four pipes so as to deliver from either one at will, according to the position of the valve. Such a cock is used in the continuous air-brake." -Whitney, 1911

Four-Way Cock Valve

"Four-way cock, a cock having two passages in the plug and four passage-ways for delivery, or one which…

Any of various devices that regulate the flow of gases, liquids, or loose materials through piping or through apertures by opening, closing, or obstructing ports or passageways.

Water Distribution Valve

Any of various devices that regulate the flow of gases, liquids, or loose materials through piping or…