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English definition of “door”

door

noun [C]     /dɔːr/
THING YOU OPEN A1 the part of a building, room, vehicle, or piece of furniture that you open or close to get inside it or out of it: Please shut the door behind you. I can't open the door. There's someone at the door.Doors and parts of doors
SPACE the space in a wall where you enter a building or room: He led us through the door to the rear of the building.Doors and parts of doors
behind closed doors privately and not in public: Most of the deals were done behind closed doors.Secrecy and privacy
two/three, etc doors away in a place that is two/three, etc houses away: We live just a few doors away from the Smiths. → See also trap doorThe postal system
(Definition of door noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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