From Longman Dictionary of Contemporary Englishchimney stackˈchimney stack noun [countable] British English 1 TBBthe tall chimney of a building such as a factory SYN smokestack American English2 TBBa group of small chimneys on a roof
Examples from the Corpus
chimney stack• Every room has a fireplace and the double chimney stack rises through the steeply-pitched hipped roof.• Above the kitchen chimney stack, the sky quavers on a high inaudible note.• Nearly falling off the roof in fright, Hilary grabbed frantically at the chimney stack to keep her balance.• Then my torch showed up streaks of water running down the chimney stack.• Due to high winds the chimney stack became unsafe.• The chimney stack was too high to consider pushing it down, so I had to try fishing it out. 