[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 prognathous
That prognathous jaw was tilted, aimed at Morgan, and Morgan knew it.Cue for Quiet
Thomas L. Sherred
"Prognathous," thought M. Ginory, as he noticed this characteristic.The Crime of the Boulevard
The chin was not in the least prognathous, but very well formed.Ireland Under Coercion (2nd ed.) (1 of 2) (1888)
William Henry Hurlbert
The bridegroom, who is a fine-looking man of the prognathous type, was loudly cheered by the crowd on leaving the church.
There we see the same crisped hair, prognathous skull, and thick lips.The Moral and Intellectual Diversity of Races</p>
Arthur, comte de Gobineau
- having a projecting lower jaw
C19: from pro- ² + Greek gnathos jaw
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for prognathous
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.