Sentence:  Our <WSD>chimney</WSD> was a square hole in the roof: it was but a little part of the smoke that found its way out, and the rest eddied about the house, and kept us coughing and piping the eye. 
Meaning of the word marked with <WSD> tags:  A vertical tube or hollow column used to emit environmentally polluting gaseous and solid matter (including but not limited to by-products of burning carbon or hydrocarbon based fuels); a flue.