In doors

Door Door, n. [OE. dore, dure, AS. duru; akin to OS. dura, dor, D. deur, OHG. turi, door, tor gate, G. th["u]r, thor, Icel. dyrr, Dan. d["o]r, Sw. d["o]rr, Goth. daur, Lith. durys, Russ. dvere, Olr. dorus, L. fores, Gr. ?; cf. Skr. dur, dv[=a]ra. [root]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]

Note: 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]