[ ney-thee-on, nath-ee- ]
/ ˈneɪ θiˌɒn, ˈnæθ i- /


Craniometry. the lowest point on the anterior margin of the lower jaw in the midsaggital plane.

Origin of gnathion

First recorded in 1885–90 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for gnathion


/ (ˈneɪθɪˌɒn, ˈnæθ-) /


the lowest point of the midline of the lower jaw: a reference point in craniometry

Word Origin for gnathion

C19: from New Latin, from 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

Medicine definitions for gnathion


[ năthē-ŏn′, nāthē- ]


The most inferior point of the mandible in the midline.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.