[prog-nuh-thuh s, prog-ney-]
- having protrusive jaws; having a gnathic index over 103.
Also prog·nath·ic [prog-nath-ik] /prɒgˈnæθ ɪk/.
Origin of prognathous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for prognathic
The eastern people are least prognathic with a zero incidence of 45 per cent.A Racial Study of the Fijians
Norman E. Gabel
This latter division gave us orthognatic, prognathic, and mesognathic skulls.
A German philosopher, for example, may transmit a superfluous toe or a prognathic jaw, but not his portentously developed brain.The Quest for a Lost Race
Thomas E. Pickett
The jaws are heavy, and especially the lower jaw is apt to be large and prognathic, that is, projecting.Essays In Pastoral Medicine
Burns thrust his red face, with its prognathic jaw, menacingly toward Kittrell.Americans All
- having a projecting lower jaw
C19: from pro- ² + Greek gnathos jaw
Word Origin and History for prognathic
Online Etymology Dictionary, © 2010 Douglas Harper
- Having jaws that project forward to a marked degree.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.