Any device or object used to halt the motion of a door, as a large or heavy object, a wedge, or some piece of hardware fixed to the floor, door or wall
An interview with a politician or other public figure (often informal or spontaneous), as they enter or leave a building
A computer that is no longer considered fast enough or to contain insufficient storage, etc for use in normal work All 286's and 386's are doorstops Most 486's are now doorstops Soon we'll see Pentium doorstops
The block or strip of wood or similar material which stops, at the right place, the shutting of a door