Sentence:  She paused at the kitchen <WSD>door</WSD> , caught her breath , told herself firmly that the opium was only an attempt to frighten her and went into the kitchen , where Glendora was eyeing the chickens dismally and Maude was cleaning lamp chimneys . 
Meaning of the word marked with <WSD> tags:  the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close