Orthognathous
Pronunciation : Or*thog"na*thous
Part of Speech : a.
Etymology : [Ortho- + Gr. (Anat.)
Definition : Defn: Having the front of the head, or the skull, nearly perpendicular, not retreating backwards above the jaws; -- opposed to Ant: prognathous. See Gnathic index, under Gnathic.
Source : Webster's Unabridged Dictionary, 1913