Or`bi*to*sphe"noid (?), a. [Orbit + sphenoid.] Anat.
Of or pertaining to the sphenoid bone and the orbit, or to the orbitosphenoid bone.
The orbitosphenoid bone, which is situated in the orbit on either side of the presphenoid. It generally forms a part of the sphenoid in the adult.
© Webster 1913.