frontal bone
US /ˈfrʌn.təl ˌboʊn/
UK /ˈfrʌn.təl ˌboʊn/
1.
the bone that forms the front part of the skull and the upper part of the eye sockets
:
•
The surgeon carefully repaired the fractured frontal bone.
•
The frontal bone protects the brain from injury.