airshaft

See also: air shaft

English
airshaft (1)

Alternative forms

Etymology

air +‎ shaft

Noun

airshaft (plural airshafts)

  1. (architecture) A vertical (or near vertical) opening (shaft) running from a courtyard to the sky, thus allowing air to circulate to high-rise apartments or offices.
    Synonyms: air well, ventilation shaft, vent shaft, lightwell
    • 1990, Stephen King, The Moving Finger:
      Howard turned left and walked to the end of the building. Here was a narrow alleyway, which gave on the airshaft at the rear of the building.
  2. (mining) A passage supplying ventilation into a mine tunnel or other underground facility.
  3. (manufacturing) A device used for handling winding reels in the processing of web-fed materials, such as in continuous-process printing presses.

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Further reading
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