'Lantern-jawed' definitions:

Definition of 'lantern-jawed'

(from WordNet)
adjective
Having a protruding jaw giving the face a gaunt appearance

Definition of 'Lantern-jawed'

From: GCIDE
  • Lantern-jawed \Lan"tern-jawed`\, a. Having lantern jaws or long, thin jaws; as, a lantern-jawed person. [1913 Webster]