ETYM Old Eng. dore, dure, as. duru; akin to os. dura, dor, Dutch deur, Old High Germ. turi, door, tor gate, German thür, tür. Related to Foreign.
1. A swinging or sliding barrier that will close the entrance to a room or building.
2. A swinging or sliding barrier that will close off access into a car.
3. Anything providing a means of access (or escape).
4. A room that is entered via a door.