GNU Collaborative International Dictionary of English

Found one definition 

  1.       

    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. ; 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.
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      To the same end, men several paths may tread,
      As many doors into one temple lead.
      Denham.

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    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.
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      At last he came unto an iron door
      That fast was locked.
      Spenser.

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    3. Passage; means of approach or access.
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      I am the door; by me if any man enter in, he shall be saved.
      John x. 9.

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    4. An entrance way, but taken in the sense of the house or apartment to which it leads.
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      Martin's office is now the second door in the street.
      Arbuthnot.

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      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.
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      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.
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      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.
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      If I have failed, the fault lies wholly at my door.
      Dryden.

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      ☞ 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.
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