lantern jaw

lantern jaw definition - medical

lan·tern jaw (lănˈtərn)

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

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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