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"
add by mixing or blending on or attaching; "work in the butter and the dough will get the right consistency"; "In his speech, the presidential candidate worked in a lot of learned words"
the act of starting a new operation or practice; "he opposed the inauguration of fluoridation"; "the startup of the new factory was delayed by strikes"
the ceremonial induction into a position; "the new president obviously enjoyed his inauguration"
the act of starting something for the first time; introducing something new; "she looked forward to her initiation as an adult"; "the foundation of a new scientific society"; "he regards the fork as a modern introduction"
a formal entry into an organization or position or office; "his initiation into the club"; "he was ordered to report for induction into the army"; "he gave a speech as part of his installation into the hall of fame"