The skeleton of the head of a vertebrate animal, including the brain case, or cranium, and the bones and cartilages of the face and mouth. See Illusts. of Carnivora, of Facial angles under Facial, and of Skeleton, in Appendix.
The head or brain; the seat of intelligence; mind.
There is great treasure there behind our skull and this is true about all of us. This little treasure has great, great powers, and I would say we only have learnt a very, very small part of what it can do. Isaac Bashevis Singer
Headwise, I always kind of knew that everyone goes grey in our family very early - and I was like, it works for me. I started growing my beard, and it changes the shape of your skull and your face, and I started seeing my mother's side of the family in myself for the first time. Douglas Coupland