noun
a noun is a word that represents a person, place, thing, or idea. In this case, 'lantern jaws' is a noun phrase referring to a distinctive facial feature characterized by prominent, angular jawlines.
The actor's lantern jaws gave him a distinct appearance on screen.
That guy with the lantern jaws is always easy to spot in a crowd.
Check out the dude with the lantern jaws, he looks like a superhero.
Her sharp words cut through the conversation like lantern jaws.