door-n; 8 Senses

Sense Number 1: a moveable barrier that provides access to a room or building

Commentary: DOOR[+entity][+physical][+structure][+barrier][+moving][+opening][+room]

Will you go see who is at the door?
This company installs windows and doors for private residences.
The front door of the old house was made of solid oak.
You should always show your guests to the door when saying goodnight. (literally escort them)
His father was once a door-to-door salesman.
It was a secret door used only by the Pope, in case of a need to escape quickly.
He broke his glasses walking into a door last week.

WordNet 3.0 Sense Numbers: 1

Sense Number 2: the space which is the opening to a room

Commentary: DOOR[+location][+space][+opening][+room]

Sally stood in the door of my office, describing last night's party.
He stood in the darkened door, looking tall and mysterious.
Guess who just walked through the door? (the space, not the actual barrier)
Take these letters with you before you run out the door.

WordNet 3.0 Sense Numbers: 2

Sense Number 3: an opportunity or chance to have access to something

Commentary: ROOM[+state][+situation][+opportunity][+access]

Nowadays, the only door to an operatic career is through a young artists' program.
They've closed the door on Haitian immigrants.
The two nations have an open door policy with respect to trade.
This leaves the door open for further negotiations.
Her research has opened new doors to a deeper understanding of the subject.
That winter trip to the Caribbean felt like finding the door into summer.

WordNet 3.0 Sense Numbers: 3

Sense Number 4: an informal unit of measuring distance between buildings, rooms

Commentary: DOOR[+quantity][+measure][+distance][+building][+house/+shop/+office]

He lives three doors down from me.
Bob's office is two doors down from Mary's, on the left.
The new bookshop is only a few doors beyond the drugstore.

WordNet 3.0 Sense Numbers: 4, 5

Sense Number 5: the assignment of blame or responsibility

Commentary: DOOR[+action][+assignment][+responsibility] Idiom: lay_at_someone's_door

The failure is laid at the door of the state government.
He won't allow the union to lay this at management's door.

WordNet 0.0 Sense Numbers: lay_at_someone's_door

Sense Number 6: outside, in the open

Commentary: DOOR[+location][+outside] Idiom: out_of_doors

Bob felt a need to be out of doors on such a beautiful day.
Food always seems to taste even better out of doors.

WordNet 0.0 Sense Numbers: out_of_doors

Sense Number 7: reject socially, disassociate oneself with

Commentary: DOOR[+action][+rejection][+social] Idiom: show_one_the_door

After that social gaffe, the club decided to show him the door.
The company showed him the door after they discovered the false information on his resume.

WordNet 0.0 Sense Numbers: show_one_the_door

Sense Number 8: upon admission to an event, not in advance

Commentary: DOOR[+state][+admission][+on_site][+event] Idiom: at_the_door

Tickets may only be purchased at the door.
You can sometimes find tickets to the performance at the door.

WordNet 0.0 Sense Numbers: at_the_door