sphenoid
Americanadjective
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being in the shape of a wedge; wedge-shaped.
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Anatomy. of or relating to the compound bone of the base of the skull, at the roof of the pharynx.
noun
adjective
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wedge-shaped
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of or relating to the sphenoid bone
noun
Other Word Forms
Etymology
Origin of sphenoid
1725–35; < New Latin sphēnoīdēs < Greek sphēnoeidḗs. See sphen-, -oid
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I watched mine perform a complicated skull-based surgery — the removal of a sphenoid meningioma.
From Salon ● Nov. 20, 2022
This bony region of the sphenoid bone is named for its resemblance to the horse saddles used by the Ottoman Turks, with a high back and a tall front.
From Textbooks ● Jun. 19, 2013
The middle cranial fossa is divided at the midline by the upward bony prominence of the sella turcica, a part of the sphenoid bone.
From Textbooks ● Jun. 19, 2013
The paranasal sinuses are air-filled spaces located within the frontal, maxillary, sphenoid, and ethmoid bones.
From Textbooks ● Jun. 19, 2013
Spheneth′moid, pertaining to the sphenoid and the ethmoid bone; Sphē′nō-fron′tal, -mā′lar, -pal′atine, -parī′etal, -tem′poral, pertaining to the sphenoid and frontal, malar, palatine, parietal, and temporal bones respectively.—n.
From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
