underhung \| ̷ ̷ ̷ ̷| ̷ ̷\adjective Etymology:under (I) + hung, past participle of hang 1.of a lower jaw: projecting beyond the upper jaw : undershot 2.: having an underhung jaw < this poor creature, heavy-bodied, bowlegged and underhung — J.A.Thomson > 3.: suspended so that the point of support is beneath the load; specifically: resting on a track at the bottom instead of being suspended from above < underhung sliding door >