prognathous

adjective prog·na·thous \ ˈpräg-nə-thəs \

Definition of prognathous

: being or having a jaw and typically a lower jaw that projects forward especially to an unusual degree
  • The umpire, a veteran of dim visage with a cigarette jutting out from his prognathous jaw, was diligent about sweeping the plate, but his strike zone tended to bounce.
  • —Richard Conniff
  • a prognathous fish

Recent Examples of prognathous from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'prognathous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of prognathous

1836

in the meaning defined above

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Medical Dictionary

prognathous

adjective prog·na·thous \ ˈpräg-nə-thəs \

medical Definition of prognathous

: being or having an upper or lower jaw that projects abnormally forward

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