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"
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"
a contract between two or more persons who agree to pool talent and money and share profits or losses
the members of a business venture created by contract
a cooperative relationship between people or groups who agree to share responsibility for achieving some specific goal; "effective language learning is a partnership between school, teacher and student"; "the action teams worked in partnership with the government"