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orthognathous |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Orthognathous \Or*thog"na*thous\, a. [Ortho- + Gr ? the jaw.] (Anat.) 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}.