lantern jaw


noun

a distinctly protruding, often wide lower jaw.
a long, thin jaw.

Origin of lantern jaw

First recorded in 1690–1700; so called from the fancied resemblance of the face to the shape of a lantern

British Dictionary definitions for lantern jaw

lantern jaw

noun

(when plural, refers to upper and lower jaw; when singular usually to lower jaw) a long hollow jaw that gives the face a drawn appearance

Medical definitions for lantern jaw

lantern jaw
[ lăntərn ]

n.

A lower jaw that protrudes beyond the upper jaw.
A long, thin jaw that gives the face a gaunt appearance.