fen·​es·​tra·​tion | \ ˌfe-nə-ˈstrā-shən How to pronounce fenestration (audio) \

Definition of fenestration

1 : the arrangement, proportioning, and design of windows and doors in a building
2 : an opening in a surface (such as a wall or membrane)
3 : the operation of cutting an opening in the bony labyrinth between the inner ear and tympanum to replace natural fenestrae that are not functional

Examples of fenestration in a Sentence

Recent Examples on the Web The Bauhaus was top of the list, and Johnson, too, fell hard for Gropius’s unadorned facades and industrial fenestration. Jason Farago, New York Times, "These Obsessive Men of MoMA Furnished Your Modernist Home," 7 Sep. 2017 The surrounding decoration stretches and compresses to suit the ever-changing fenestration. Blake Gopnik, New York Times, "Reviving the Joy of Decoration at Nike’s New SoHo Building," 1 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fenestration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of fenestration

1846, in the meaning defined at sense 1

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The first known use of fenestration was in 1846

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Cite this Entry

“Fenestration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fenestration. Accessed 2 Mar. 2021.

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fen·​es·​tra·​tion | \ ˌfen-ə-ˈstrā-shən How to pronounce fenestration (audio) \

Medical Definition of fenestration

1a : a natural or surgically created opening in a surface
b : the presence of such openings
2 : a surgical procedure that involves cutting an opening in the bony labyrinth between the inner ear and tympanum to replace natural fenestrae that are not functional (as in otosclerosis)

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