[ uhn-der-bahyt ]
/ ˈʌn dərˌbaɪt /
occlusion in which the lower incisor teeth overlap the upper.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for underbite
There was Akbar, a nattily dressed African-American who talks through an underbite.
It is better to overbite your darks, and underbite your lights, if you vary any.Photogravure|Henry R. Blaney
Medicine definitions for underbite
[ ŭn′dər-bīt′ ]
Malocclusion in which the lower teeth overlap the upper teeth.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.