adjective Also sphe·noi·dal.
Examples from the Web for sphenoid
Simple brachycephaly is due to early synostosis of the nasal and sphenoid.Degeneracy|Eugene S. Talbot
The sphenoid condyles, seen in posterior view, issue from the dorsal margin of the notochordal socket.
They are bounded anteriorly by the frontal bone, posteriorly by the occipital, and laterally by the temporal and sphenoid bones.A Practical Physiology|Albert F. Blaisdell
These cavities are bounded superiorly by the sphenoid and 390 ethmoid bones; inferiorly, by the hard palate.
The bones that extend backward to the sphenoid are not easily identified.Dragons of the Air|H. G. Seeley