Sentence:  Once upon a midnight dreary, while I pondered, weak and weary, / Over many a quaint and curious volume of forgotten lore, / While I nodded, nearly napping, suddenly there came a tapping, / As of some one gently rapping, rapping at my <WSD>chamber</WSD> door. 
Meaning of the word marked with <WSD> tags:  The private room of an individual, especially of someone wealthy or noble.