[mi-zog-nuh-thuh s, -sog-]

adjective Anthropology.

having medium, slightly protruding jaws.
having a moderate or intermediate gnathic index of from 98 to 103.

Also mes·og·nath·ic [mez-uh g-nath-ik, mes‐, mee-zuh g‐, ‐suh g‐] /ˌmɛz əgˈnæθ ɪk, ˌmɛs‐, ˌmi zəg‐, ‐səg‐/.

Origin of mesognathous

First recorded in 1875–80; meso- + -gnathous
Related formsme·sog·na·thism, me·sog·na·thy, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for mesognathous



anthropol having slightly projecting jaws
Derived Formsmesognathism or mesognathy, noun
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