airshaft

  1. Noun.  (architecture) A vertical opening running from a courtyard to the sky, thus allowing air to circulate to high-rise apartments or offices.
  2. Noun.  (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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This entry was last updated on RefTopia from its source on 3/20/2012.