Dictionary.com
Thesaurus.com

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

  • postsphenoid adjective
  • presphenoid adjective
  • subsphenoid adjective
  • subsphenoidal adjective
  • supersphenoid adjective
  • supersphenoidal adjective

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 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 sphenoid or bat-wing bone appears in the temples by its wing, between the frontal and temporal, while in the centre of the base its solid body is between the frontal and occipital.

From Buchanan's Journal of Man, April 1887 Volume 1, Number 3 by Buchanan, Joseph R. (Joseph Rodes)