| 1. | wedge-shaped. |
| 2. | Anatomy. of or pertaining to the compound bone of the base of the skull, at the roof of the pharynx. |
| 3. | Anatomy. the sphenoid bone. |
sphenoid sphe·noid (sfē'noid')
n.
The sphenoid bone. adj.
Of or relating to the sphenoid bone.
Wedge-shaped.