door

Noun

• a room that is entered via a door
  • his office is the third door down the hall on the left
    

• a structure where people live or work (usually ordered along a street or road)
  • the office next door
    
  • they live two doors up the street from us
    

• anything providing a means of access (or escape)
  • we closed the door to Haitian immigrants
    
  • education is the door to success
    

• the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close
  • he stuck his head in the doorway
    

• a swinging or sliding barrier that will close the entrance to a room or building or vehicle
  • he knocked on the door
    
  • he slammed the door as he left
    

Related words

• Synonyms: 
  doorway , room access , threshold