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fenestra

[fi-nes-truh]
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noun, plural fe·nes·trae [fi-nes-tree] /fɪˈnɛs tri/.
  1. Anatomy, Zoology. a small opening or perforation, as in a bone, especially between the middle and inner ear.
  2. Entomology. a transparent spot in an otherwise opaque surface, as in the wings of certain butterflies and moths.
  3. Architecture. a windowlike opening.
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Origin of fenestra

1820–30; < New Latin, special use of Latin fenestra window, hole (in a wall)
Related formsfe·nes·tral, adjectiveun·fe·nes·tral, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for fenestra

Historical Examples

  • Mr. Fenestra had it taken out because the ringing of the bell made him jumpy.

    The Secret Pact

    Mildred A. Wirt

  • Fenestra always keeps the cave padlocked,” revealed Tillie.

    The Secret Pact

    Mildred A. Wirt

  • Fenestra answered it, and when he came back into the kitchen he was in a dreadful temper.

    The Secret Pact

    Mildred A. Wirt

  • Fenestra has been very nervous since I came here,” Mrs. Weems contributed.

    The Secret Pact

    Mildred A. Wirt

  • “Well, thank you kindly,” Mr. Fenestra said, tipping his hat.

    The Secret Pact

    Mildred A. Wirt


British Dictionary definitions for fenestra

fenestra

noun plural -trae (-triː)
  1. biology a small opening in or between bones, esp one of the openings between the middle and inner ears
  2. zoology a transparent marking or spot, as on the wings of moths
  3. architect a window or window-like opening in the outside wall of a building
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Derived Formsfenestral, adjective

Word Origin

C19: via New Latin from Latin: wall opening, window
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

fenestra in Medicine

fenestra

(fə-nĕstrə)
n. pl. fe•nes•trae (-trē′)
  1. A small anatomical opening, often closed by a membrane.
  2. The opening in a bone made by surgical fenestration.
  3. A specialized opening, as in a surgical instrument.
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Related formsfe•nestral adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.