(a.) Having the front of the head or the skull, nearly perpendicular, not retreating backwards above the jaws; -- opposed to prognathous. See Gnathic index, under Gnathic.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). orthognathous. Retrieved September 23, 2026, from http://smartdefine.org/orthognathous/definitions/2039583 |
| Chicago | Webster's. 2011. "orthognathous" http://smartdefine.org/orthognathous/definitions/2039583 (accessed September 23, 2026). |
| Harvard | Webster's 2011, orthognathous, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/orthognathous/definitions/2039583>. |
| MLA | Webster's. "orthognathous" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/orthognathous/definitions/2039583> |