We use cookies to enhance your experience on our website. By continuing to use our website, you are agreeing to our use of cookies. You can change your cookie settings at any time. Find out more

Subscriber login

Library card login

Other

X Close menu

Dictionary Language resources

sphenoid

Syllabification: (sphe·noid)

Pronunciation: /ˈsfēnoid/

Anatomy

Definition of sphenoid

noun

(also sphenoid bone)

a compound bone that forms the base of the cranium, behind the eye and below the front part of the brain. It has two pairs of broad lateral “wings” and a number of other projections, and contains two air-filled sinuses.