Dictionary

prognathous

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

Definition of PROGNATHOUS

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

First Known Use of PROGNATHOUS

1836

prognathous

adjective prog·na·thous \ˈpräg-nə-thəs\   (Medical Dictionary)

Medical Definition of PROGNATHOUS

:  having the jaws projecting beyond the upper part of the face

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