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
The walls of the orbit are formed by contributions from seven bones: the frontal, zygomatic, maxillary, palatine, ethmoid, lacrimal, and sphenoid.
From Textbooks • Jun. 19, 2013
The pituitary gland is cradled within the sellaturcica of the sphenoid bone of the skull.
From Textbooks • Jun. 19, 2013
The lesser wings of the sphenoid bone form the prominent ledge that marks the boundary between the anterior and middle cranial fossae.
From Textbooks • Jun. 19, 2013
Schindylesis, skin-di-lē′sis, n. an articulation formed by the fitting of one bone into a groove in another, as in the sphenoid bone and vomer.—adj.
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.
