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sphenoid

American  
[sfee-noid] / ˈsfi nɔɪd /

adjective

  1. being in the shape of a wedge; wedge-shaped.

  2. Anatomy. of or relating to the compound bone of the base of the skull, at the roof of the pharynx.


noun

  1. Anatomy. the sphenoid bone.

sphenoid British  
/ ˈsfiːnɔɪd /

adjective

  1. wedge-shaped

  2. of or relating to the sphenoid bone

"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

noun

  1. See sphenoid bone

"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

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

Figure 29.7 The cranial bones, including the frontal, parietal, and sphenoid bones, cover the top of the head.

From Textbooks • Jun. 9, 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 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

These cavities are bounded superiorly by the sphenoid and 390 ethmoid bones; inferiorly, by the hard palate.

From A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) by Cutter, Calvin

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