/ dɔː(r); NAmE / noun
1.
a piece of wood, glass, etc. that is opened and closed so that people can get in and out of a room, building, car, etc.; a similar thing in a cupboard / closet :
a knock on the door
to open / shut / close / slam / lock / bolt the door
to answer the door (= to go and open it because sb has knocked on it or rung the bell)
the front / back door (= at the entrance at the front / back of a building)
the bedroom door
the door frame
a four-door saloon car
the fridge door
Shut the door!
Close the door behind you, please.
The door closed behind him.
—see also back-door , fire door , French door , open-door , revolving door , sliding door , stable door , stage door , swing door , trapdoor
2.
the space when a door is open :
Marc appeared through a door at the far end of the room.
( informal )
She's just arrived—she's just come in the door .
( informal )
He walked out the door .
3.
the area close to the entrance of a building :
There's somebody at the door (= at the front door of a house) .
'Can I help you?' asked the man at the door.
—see also doorway
4.
a house, room, etc. that is a particular number of houses, rooms, etc. away from another :
the family that lives three doors up from us
Our other branch is just a few doors down the road.
—see also next door
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IDIOMS
- be on the door
- close / shut the door on sth
- (from) door to door
- (open) the door to sth
- lay sth at sb's door
- leave the door open (for sth)
- out of doors
- shut / slam the door in sb's face
- to sb's door
—more at back adjective , barn , beat verb , close (I) verb , closed , darken , death , foot noun , open verb , show verb , stable door noun , wolf noun
••
WORD ORIGIN
Old English duru , dor , of Germanic origin; related to Dutch deur door and German Tür door, Tor gate; from an Indo-European root shared by Latin foris gate and Greek thura door.