The chin is the forward pointed part of the anterior mandible (mental region) below the lower lip. A fully developed human skull has a chin of between 0.7 cm and 1.1 cm.

To keep the helmet in position, fasten the strap beneath the chin. She sat behind the table, her chin resting in her hands.

Dec 9, 2015 · The meaning of CHIN is the lower portion of the face lying below the lower lip and including the prominence of the lower jaw. How to use chin in a sentence.

Aug 24, 2025 · The chin is the distinct, forward-projecting part of the human face located at the bottom of the lower jaw. It is a defining feature of modern humans, setting us apart from other primates and …

CHIN meaning: 1 : the part of the face below the mouth and above the neck; 2 : to stay cheerful and hopeful during difficult times

Dec 31, 2024 · The chin provides structural support to the lower face and serves as an attachment site for muscles involved in facial expressions, speech, and chewing. Its shape and size contribute …

Dec 21, 2025 · The human chin has been fertile ground for arguments between scientists over its purpose. As with testicles, there are half a dozen plausible ideas to explain the evolution of the …

3 days ago · Reuters.com is your online source for the latest China news stories and current events, ensuring our readers up to date with any breaking news developments

Definition of chin noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The chin (a.k.a. the mental protuberance) lies in the midline of the mandible anteriorly. The jaw line (or the lower border of the body of mandible) can be seen extending laterally from the chin, on either side.