1. Anatomy.
    1. (of the lower jaw) projecting beyond the upper jaw.
    2. having the lower jaw so projecting.
  2. resting on a track beneath instead of being overhung, as a sliding door.

Origin of underhung

First recorded in 1675–85; under- + hung
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for underhung

Historical Examples of underhung

British Dictionary definitions for underhung


  1. (of the lower jaw) projecting beyond the upper jaw; undershot
  2. (of a sliding door, etc) supported at its lower edge by a track or rail
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012