mesognathic


Also found in: Medical.

mesognathic

[¦mez·ə¦nath·ik]
(anthropology)
Designating a condition of the upper jaw in which it has a mild degree of anterior projection with respect to the profile of the facial skeleton, when the skull is oriented on the Frankfort horizontal plane; having a gnathic index of 98.0 to 102.9.