Prefrontal
Pronunciation : Pre*fron"tal
Part of Speech : a.
Definition : Defn: Situated in front of the frontal bone, or the frontal region of the skull; ectethmoid, as a certain bone in the nasal capsule of many animals, and certain scales of reptiles and fishes. -- n.
Defn: A prefrontal bone or scale.
(Anat. & Zo?l.)
Source : Webster's Unabridged Dictionary, 1913