[ fen-uh-strey-shuhn ]
See synonyms for fenestration on Thesaurus.com
  1. the design and disposition of windows and other exterior openings of a building.

  2. Furniture. an ornamental motif having the form of a blind arcade or arch, as in medieval cabinetwork.

  1. Medicine/Medical, Surgery.

    • a perforation in a structure.

    • an operation to effect such an opening.

    • Also called fenestration operation, Lempert operation. the creation of an artificial opening into the labyrinth of the ear to restore hearing loss from otosclerosis.

Origin of fenestration

1840–50; <Latin fenestrāt(us) (see fenestrated) + -ion

Words Nearby fenestration

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use fenestration in a sentence

British Dictionary definitions for fenestration


/ (ˌfɛnɪˈstreɪʃən) /

  1. the arrangement and design of windows in a building

  2. a surgical operation to restore hearing by making an artificial opening into the labyrinth of the ear

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012