Definition of orthognathous in English:

orthognathous

adjective

Anatomy
  • (especially of a person) having a jaw that does not project or recede, so that the facial profile is nearly vertical.

Pronunciation

orthognathous

/ôrˈTHäɡnəTHəs/ /ɔrˈθɑɡnəθəs/

Origin

Mid 19th century from ortho-‘straight’ + Greek gnathos ‘jaw’+ -ous.