noun
definition
A portal of entry into a building, room, or vehicle, consisting of a rigid plane movable on a hinge. Doors are frequently made of wood or metal. May have a handle to help open and close, a latch to hold the door closed and a lock that ensures the door cannot be opened without the key.
example
I knocked on the vice president's door
definition
Any flap, etc. that opens like a door.
example
the 24 doors in an Advent calendar
definition
(immigration) An entry point.
definition
A means of approach or access.
example
Learning is the door to wisdom.
definition
A barrier.
example
Keep a door on your anger.
definition
A software mechanism by which a user can interact with a program running remotely on a bulletin board system. See BBS door.