Door Definition

A movable structure for opening or closing an entrance, as to a building or room, or giving access to a closet, cupboard, etc.: most doors turn on hinges, slide in grooves, or revolve on an axis.
Webster's New World
A similar part on a piece of furniture or a vehicle.
American Heritage
The room or building to which a particular door belongs.
Two doors down the hall.
Webster's New World
Any opening with a door in it; doorway.
Webster's New World
Webster's New World
To strike (a passing bicyclist, for example) by suddenly opening a vehicular door.
American Heritage
To serve as a doorman or doorwoman of (a nightclub, for example).
American Heritage

(cycling) To cause a collision by opening the door of a vehicle in front of an oncoming cyclist or pedestrian.

at (someone's) door
  • As a charge holding someone responsible:

    You shouldn't lay the blame for the fiasco at her door.

American Heritage
  • To refuse to allow for the possibility of:

    The secretary of state closed the door on future negotiations.

American Heritage
leave the door open
  • To allow for the possibility of:

    Let's leave the door open for future stylistic changes.

American Heritage
show (someone) the door
  • To eject (someone) from the premises.
  • To terminate the employment of; fire.
American Heritage
lay at the door of
  • to blame (a person) for
Webster's New World

Other Word Forms of Door



Idioms, Phrasal Verbs Related to Door

Origin of Door

  • From Middle English dore, dor, from Old English duru (“door”), dor (“gate”), from Proto-Germanic *durz, from Proto-Indo-European *dʰwer-, *dʰwor- (“doorway, door, gate”). Cognates include West Frisian doar, Dutch deur, German Tür (“door”), Tor (“gate”), Danish dør, Icelandic dyr, Latin foris, Modern Greek θύρα (thýra), Albanian derë pl. dyer, Kurdish derge (der), derî, Persian در (dar), Russian дверь (dver’), Hindustani द्वार (dvār) / دوار (dvār), Armenian դուռ (duṙ), Irish doras, Lithuanian durys.

    From Wiktionary

  • Middle English dor from Old English duru, dor dhwer- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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