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sphenoid
sphenoid definition
sphe·noid (sfē′no̵id′)
adjective
- wedge-shaped
- Anat. designating or of the wedge-shaped compound bones of the skull
Also sphenoidal sphe·noi′·dal
Etymology: ModL sphenoides < Gr sphēnoeides: see sphene & -oid
noun
- the sphenoid bone
- Mineralogy a wedge-shaped crystal form having four triangular faces
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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