fenestration

(fen′es trās̸hən)

noun

  1. the arrangement of windows and doors in a building
  2. Surgery the act of perforating or making an opening, esp. into the inner ear in certain cases of otosclerosis

Origin: see fenestrated & -ion

See fenestration in American Heritage Dictionary 4

noun
  1. The design and placement of windows in a building.
  2. An opening in the surface of a structure, as in a membrane.
  3. The surgical creation of an artificial opening in the bony part of the inner ear so as to improve or restore hearing.

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