Meaning of underhung in English:

underhung

Pronunciation /ˈʌndəhʌŋ/ /ʌndəˈhʌŋ/

adjective

another term for undershot (sense 2 of the adjective)
  • ‘His jaw was underhung, and when he laughed, two white buck-teeth protruded themselves and glistened savagely in the midst of the grin.’