1) Air pipe 2) Flue 1) Blower of fumes 2) Chimney 3) Factory feature 4) Factory outlet 5) Feature of an old cruise ship 6) Heavy-industry 7) Stack 8) Steam locomotive feature 9) Tall chimney 
• (n.) A chimney; esp., a pipe serving as a chimney, as the pipe which carries off the smoke of a locomotive, the funnel of a steam vessel, etc.
Smoke'stack` noun A chimney; esp., a pipe serving as a chimney, as the pipe which carries off the smoke of a locomotive, the funnel of a steam vessel, etc. 
[n] - a large tall chimney through which combustion gases and smoke can be evacuated
stack noun a large tall chimney through which combustion gases and smoke can be evacuated