- the arrangement of windows and doors in a building
- Surgery the act of perforating or making an opening, esp. into the inner ear in certain cases of otosclerosis
Origin of fenestrationsee fenestrated and -ion
- The design and placement of windows in a building.
- An opening in the surface of a structure, as in a membrane.
- The surgical creation of an artificial opening in a bone, as in the inner ear so as to improve or restore hearing.
(countable and uncountable, plural fenestrations)