An OUTLET (6 letters) is a place where an electrical plug can be inserted to provide power to an appliance. An EAR (3 letters) is a part of the human body used for hearing. A SOCKET (6 letters) is a device that allows a plug to be connected to a power source. A wallsocket (10 letters) is a type of SOCKET that is mounted on a wall and is used to provide power to an appliance. All of these terms refer to a place for a plug, which is a device that is used to connect an appliance to a power source.