Definition of mentohyoid in US English:

mentohyoid

adjective

Anatomy Medicine
rare
  • Relating to or connecting the chin and the hyoid bone.

Origin

Mid 19th century; earliest use found in Proceedings of the Royal Irish Academy. From mento- + hyoid.

Pronunciation

mentohyoid

/ˌmɛntəʊˈhʌɪɔɪd/