'Mesognathous' definitions:

Definition of 'Mesognathous'

From: GCIDE

Mesognathous \Me*sog"na*thous\, a. [Meso- + Gr. gna`qos jaw.] (Anat.) Having the jaws slightly projecting; between prognathous and orthognathous. See Gnathic index, under Gnathic. [1913 Webster]