door

n. [ OE. dore, dure, AS. duru; akin to OS. dura, dor, D. deur, OHG. turi, door, tor gate, G. thür, thor, Icel. dyrr, Dan. dör, Sw. dörr, Goth. daur, Lith. durys, Russ. dvere, Olr. dorus, L. fores, Gr. &unr_;; cf. Skr. dur, dvāra. √246. Cf. Foreign. ] 1. An opening in the wall of a house or of an apartment, by which to go in and out; an entrance way. [ 1913 Webster ]

To the same end, men several paths may tread,
As many doors into one temple lead. Denham. [ 1913 Webster ]

2. The frame or barrier of boards, or other material, usually turning on hinges, by which an entrance way into a house or apartment is closed and opened. [ 1913 Webster ]

At last he came unto an iron door
That fast was locked. Spenser. [ 1913 Webster ]

3. Passage; means of approach or access. [ 1913 Webster ]

I am the door; by me if any man enter in, he shall be saved. John x. 9. [ 1913 Webster ]

4. An entrance way, but taken in the sense of the house or apartment to which it leads. [ 1913 Webster ]

Martin's office is now the second door in the street. Arbuthnot. [ 1913 Webster ]

Blank door,
Blind door, etc. (Arch.) See under Blank, Blind, etc. --
In doors, or
Within doors, within the house. --
Next door to, near to; bordering on. [ 1913 Webster ] A riot unpunished is but next door to a tumult. L'Estrange. --
Out of doors, or
Without doors, and, [ colloquially ],
Out doors, out of the house; in open air; abroad; away; lost. [ 1913 Webster ] His imaginary title of fatherhood is out of doors. Locke. --
To lay (a fault, misfortune, etc.) at one's door, to charge one with a fault; to blame for. --
To lie at one's door, to be imputable or chargeable to. [ 1913 Webster ] If I have failed, the fault lies wholly at my door. Dryden. [ 1913 Webster ]

☞ Door is used in an adjectival construction or as the first part of a compound (with or without the hyphen), as, door frame, doorbell or door bell, door knob or doorknob, door latch or doorlatch, door jamb, door handle, door mat, door panel. [ 1913 Webster ]