underbite

American  

[uhn-der-bahyt] / ˈʌn dərˌbaɪt /

noun

Dentistry.

1. occlusion in which the lower incisor teeth overlap the upper.

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Etymology

Origin of underbite

First recorded in 1975–80; under- + bite

Example Sentences

Both females and males have a characteristic underbite with two pairs of teeth in the lower jaw.

From Science Daily

Measuring twice as long as the rest of the fish’s skull, this lower jaw gave Alienacanthus nature’s most extreme underbite, and, perhaps, a stiff lower lip.

From New York Times

“Be Free, You Wrinkly Ghost!” opens, “I’ve never been fully on board with my face” and goes on to detail the surgeries Nancherla has undergone to correct a droopy eyelid and underbite.

From Los Angeles Times

Thelma's top beak was crudely clipped just below her nostrils, causing the bottom beak to jut out partially exposed, resembling an underbite.

From Salon

A small curly-haired thing with an underbite so ugly it was cute.

From Literature