Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
underhung is an adjective meaning "supported from below especially resting on a track instead of suspended from above". It carries 2 recorded senses.
supported from below especially resting on a track instead of suspended from above
“underhung sliding doors”
having a lower part projecting beyond the upper
“an underhung jaw”
“undershot bulldog”
Definitions, synonyms and semantic relations for underhung come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.