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gnathion

[ney-thee-on, nath-ee-]
noun
  1. Craniometry. the lowest point on the anterior margin of the lower jaw in the midsaggital plane.
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Origin of gnathion

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for gnathion

gnathion

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

gnathion in Medicine

gnathion

(năthē-ŏn′, nāthē-)
n.
  1. The most inferior point of the mandible in the midline.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.