Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Adjective: prognathous  próg'ney-thus
  1. Having a projecting lower jaw
    "In the prognathous condition the mouthparts point forwards and this is found in predaceous species that actively pursue their prey";
    - prognathic, hypognathous

See also: lantern-jawed

Antonym: opisthognathous

Encyclopedia: Prognathous