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.
Having the front of the head, or the skull, nearly perpendicular, not retreating backwards above the jaws; -- opposed to 
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.
Orthognathous
Having the front of the head, or the skull, nearly perpendicular, not retreating backwards above the jaws; -- opposed to 
Usage Examples
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