The term BEER KEG FEATURE can be summarized as a TAP, which is a three-letter word. A TAP is a device used to dispense beer from a keg. It is usually made of metal and has a handle that is used to open and close the valve. The TAP is connected to the keg by a tube, allowing the beer to flow out when the valve is opened. The TAP is an essential feature of any beer keg, as it allows for easy and efficient dispensing of the beer.