sphenoid
Americanadjective
-
being in the shape of a wedge; wedge-shaped.
-
Anatomy. of or relating to the compound bone of the base of the skull, at the roof of the pharynx.
noun
adjective
-
wedge-shaped
-
of or relating to the sphenoid bone
noun
Other Word Forms
Derived 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 pituitary gland, sometimes called the hypophysis or “master gland” is located at the base of the brain in the sella turcica, a groove of the sphenoid bone of the skull, illustrated in Figure 28.15.
From Textbooks • Jun. 9, 2022
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
It extends from the frontal bone anteriorly to the lesser wing of the sphenoid bone posteriorly.
From Textbooks • Jun. 19, 2013
Presently the two students returned, looking just a little shame-faced, and plunged instantly into wild talk about the weather, the town, and the University—anything and everything except the sphenoid bone.
From The Firm of Girdlestone by Doyle, Arthur Conan, Sir
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.
