lantern jaw

1. 1.

   a long thin lower jaw

   Broaderlower jaw

Questions about lantern jaw

What does lantern jaw mean?

lantern jaw means "a long thin lower jaw".

Is lantern jaw a common word?

lantern jaw is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.