- (of the lower jaw) projecting beyond the upper jaw.
- having the lower jaw so projecting.
Examples from the Web for underhung
Silvestro was hand in hand with Petruccio and another boy, called Mastino because he was heavy-jowled and underhung.Little Novels of Italy|Maurice Henry Hewlett
At any rate, that man's idea of The Torment was a hot, crowded underground room, underhung with patterned cloths.Letters of Travel (1892-1913)|Rudyard Kipling
His mouth was underhung, giving him a pugnacious and bad-tempered appearance.The Red Redmaynes|Eden Phillpotts
Underhung, un-dėr-hung′, adj. hanging over, protruding from beneath: running on rollers on a rail below it—of a sliding-door—opp.
He was a clean-shaven man, with bony forehead, sunken cheeks, and an underhung mouth.The Vultures|Henry Seton Merriman