(2) The head moderately elongated and the parietals diverging from each other for a certain space as they rise upon the side of the head, enlarging the cerebral cavity and the frontal sinus.
(3) The muzzle more or less shortened, the frontal sinus enlarged, and the cranium elevated and diminished in capacity.
Also the right frontal sinus is larger than the left.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.