noun, often attributive \ˈdr\

: a movable piece of wood, glass, or metal that swings or slides open and shut so that people can enter or leave a room, building, vehicle, etc.

: a part of an object (such as piece of furniture or an appliance) that swings or slides open and shut

: the opening for a door : the entrance to a room or building

Full Definition of DOOR

:  a usually swinging or sliding barrier by which an entry is closed and opened; also :  a similar part of a piece of furniture
:  doorway
:  a means of access or participation :  opportunity <opens new doors> <door to success>
door·less \-ləs\ adjective
at one's door
:  as a charge against one as being responsible <laid the blame at our door>

Examples of DOOR

  1. I heard a knock on the door.
  2. Please don't block the door.
  3. I peeked through the open door.
  4. He stood at the door.

Origin of DOOR

Middle English dure, dor, from Old English duru door & dor gate; akin to Old High German turi door, Latin fores, Greek thyra
First Known Use: before 12th century

Other Architecture Terms

buttress, casita, cornice, fanlight, garret, lintel, parapet, pilaster, plinth
DOOR Defined for Kids


noun \ˈdr\

Definition of DOOR for Kids

:  a usually swinging or sliding frame or barrier by which an entrance (as into a house) is closed and opened
:  a part of a piece of furniture that swings or slides open or shut <the refrigerator door>
:  doorway
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