gnathion

American

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

noun

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

gnathion British

/ ˈneɪθɪˌɒn, ˈnæθ- /

noun

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

"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

Etymology

Origin of gnathion

First recorded in 1885–90

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023