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.

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.

1 day ago · Dashiell Hammett mentioned Sam Spade's jutting chin in the opening sentence of his novel, "The Maltese Falcon." Spade's chin was among the facial features Hammett used to describe his …

8 hours ago · The chin is therefore what’s known as a spandrel – a useless evolutionary feature named after the empty triangular spaces that are created by the construction of archways in buildings.

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 …

2 days ago · New analysis led by a UB researcher suggests the distinctly human chin is a byproduct of other evolutionary developments, findings that provide a more holistic understanding of the human …

to bring one's chin up to (a horizontal bar, from which one is hanging by the hands), by bending the elbows

Oct 23, 2025 · The chin is a familiar feature of the human face, serving as the defining point of the lower jaw. This bony prominence is a characteristic of human anatomy that sets Homo sapiens apart from …

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 …

The only animal with a true chin When anatomists talk about a chin, they mean the mental eminence, the forward-projecting point of the lower jaw that sits below the lower teeth. By that strict ...