fenestra
noun
fe·nes·tra
fə-ˈne-strə 
plural fenestrae
fə-ˈne-ˌstrē
-ˌtrī
-ˌtrī
1
: a small anatomical opening (as in a bone): such as
a
b
2
: an opening cut in bone
Examples of fenestra in a Sentence
Recent Examples on the Web
In most meat-eating dinosaurs, a ridge of bone provides a roof over an opening in the skull in front of the eye sockets known as the antorbital fenestra.
—
Matthew A. Brown, Scientific American, 1 Jan. 2021
Pterosaurs also had extra openings in their skulls, the largest of which was an opening in front of the eyes known as an antorbital fenestra.
—Michael B. Habib, Scientific American, 1 Oct. 2019
The massive dinosaur had two large holes in the roof of its skull (dorsotemporal fenestra) that were filled with muscles to aid jaw movements.
—Fox News, 6 Sep. 2019
The specialized pocket sits within an opening on the top rear of the skull called the dorsotemporal fenestra.
—Riley Black, Smithsonian, 4 Sep. 2019
All these animals are united by subtle skull features, such as the absence of a hole in the lower jaw called the mandibular fenestra and the flat, wrinkle-cusped teeth set along the jaws.
—Brian Switek, WIRED, 6 June 2012
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Matthew A. Brown, Scientific American, 1 Jan. 2021
Pterosaurs also had extra openings in their skulls, the largest of which was an opening in front of the eyes known as an antorbital fenestra.
—Michael B. Habib, Scientific American, 1 Oct. 2019
The massive dinosaur had two large holes in the roof of its skull (dorsotemporal fenestra) that were filled with muscles to aid jaw movements.
—Fox News, 6 Sep. 2019
The specialized pocket sits within an opening on the top rear of the skull called the dorsotemporal fenestra.
—Riley Black, Smithsonian, 4 Sep. 2019
All these animals are united by subtle skull features, such as the absence of a hole in the lower jaw called the mandibular fenestra and the flat, wrinkle-cusped teeth set along the jaws.
—Brian Switek, WIRED, 6 June 2012
Dictionary Entries Near fenestra
Cite this Entry
“Fenestra.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fenestra. Accessed 29 Nov. 2024.
Copy CitationMedical Definition
fenestra
noun
fe·nes·tra
fə-ˈnes-trə
1
2
a
: a small opening cut in bone : window sense 2
b
: a small opening in a surgical instrument (as an endoscope)
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