Sentence:  &lsquo;No. I only opened the <WSD>door</WSD> a foot and put my head in. The street lamps shine into that room. I could see him. He was all right. Sleeping like a great grampus. Poor, poor chap.' 
Meaning of the word marked with <WSD> tags:  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.