Fronto-
Pronunciation : Fron"to-.
Etymology : [L. frons, frontis, the forehead.] (Anat.)
Definition : Defn: A combining form signifying relating to the forehead or the frontal bone; as, fronto-parietal, relating to the frontal and the parietal bones; fronto-nasal, etc.
Source : Webster's Unabridged Dictionary, 1913