/ Dictionary / Index U underhung: Meaning and Definition of Find definitions for: un•der•hung Pronunciation: (un"dur-hung'), [key] — adj. (of the lower jaw) projecting beyond the upper jaw. having the lower jaw so projecting. resting on a track beneath instead of being overhung, as a sliding door. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: underhung (Thesaurus) underhoused underinsurance Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language