the bony framework of the head, enclosing the brain and supporting the face; the skeleton of the head.

the head as the center of knowledge and understanding; mind

to get literature's great ideas through our skulls.

Armor . the part of a helmet that covers the top of the head. ?

out of one's skull

Slang . crazy; demented.

adjective

cephalic

noun

brain , cranium , death\'s-head , head , mind , scalp , skullcap , vertex