skull

noun
B2+
1
B2+
the bone structure that forms the head and surrounds and protects the brain
جمجمه, کاسه سر, کرانیوم
synonym cranium
2
B2+
the head or the brain
جمجمه, کاسه سر
Her skull was crammed with too many thoughts.
(informal)When will he get it into his thick skull that I never want to see him again!
The soldiers' hair was cropped close to the skull.