lantern-jawed

lantern-jawed (not comparable)

Having a protruding or jutting lower jaw.
- 1913, D[avid] H[erbert] Lawrence, “chapter 15”, in Sons and Lovers, London: Duckworth & Co. […], →OCLC:
  He was very thin and lantern-jawed. He dared not meet his own eyes in the mirror; he never looked at himself.
- 1976, Kurt Vonnegut, chapter 1, in Slapstick, Delacorte Press, page 21:
  A blue-eyed, lantern-jawed old white man, who is two meters tall and one hundred years old, sits in the clearing on what was once the back seat of a taxicab.

having a protruding or jutting lower jaw

English