An object, such as a cork or a wad of cloth, used to fill a hole tightly; a stopper, A fitting, commonly with two metal prongs for insertion in a fixed socket, used to connect an appliance to a power supply, A spigot driven into place, as in a barrel, in contradistinction to one screwed in, intransitive verb_ To hit with a bullet; shoot, To become stopped up or obstructed, To fill (a hole) tightly with or as if with a plug; stop up