Dictionary.net

• Suture between the basilar process of the occipital bone and the sphenoid.

• separates in part the occipital and sphenoid bones.

1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland

• The s. between the occipital bone and the body of the sphenoid bone.

1916 - Appleton's medical dictionary
By Smith Ely Jelliffe