Adjective "prognathous" definition and examples



Definitions and examples


Having a projecting lower jaw or chin.
  1. 'Although the head is worn, a detail shows that the lower part of the face extends down to the trachea at the base of the neck; this roughened area, too massive to be simply a prognathous jaw, must instead represent a full beard.'
  2. 'The prognathous jaw became a sign of lower development and of a closer relationship to primitive man.'


1. having protrusive jaws; having a gnathic index over 10

More examples(as adjective)

"insects can be prognathous."

"heads can be prognathous."

"conditions can be prognathous."


Mid 19th century: from pro- ‘before’ + Greek gnathos ‘jaw’ + -ous.