A Quick and Simple Dictionary

door

1. Noun.  A (l, en) of entry into a building or room, consisting of a rigid plane movable on a (l, en) . Doors are frequently made of (l, en) or (l, en) . May have a (l, en) to help open and close, a (l, en) to hold the door closed(,) and a (l, en) that ensures the door cannot be opened without the key.
2. Noun.  An non-physical (l, en) into the next world, a particular feeling, a company, etc.
3. Noun.  (computing, dated) A (l, en) mechanism by which a user can interact with a (l, en) running remotely on a (l, en) .
4. Verb.  (transitive, cycling) To cause a (l, en) by opening the door of a vehicle in the front of an (l, en) (l, en) or (l, en) .