noun which may take the genitive case particle 'no'
forehead; frontal region
Anatomical term used in medical or formal contexts. In everyday speech, おでこ or ひたい are more common.
I suffered a minor contusion to the forehead.
A fracture of the frontal region was confirmed on the CT scan.
Compound of 前 (front) + 額 (forehead) + 部 (part, region). A straightforward anatomical term.