Definition of orthognathous in English:

orthognathous

Pronunciation: /ˌɔːθəɡˈneɪθəs//ɔːˈθɒɡnəθəs/

adjective

Anatomy
  • (especially of a person) having a jaw which does not project forwards and a facial angle approaching a right angle.

Origin

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

Pronunciation:

orthognathous

/ˌɔːθəɡˈneɪθəs//ɔːˈθɒɡnəθəs/