Definitions

1. adjective

Relating to the prognathism, a condition in which the jaw is protruded due to the lower jaw being larger than the upper jaw.

“The doctor said that the patient’s prognathic jaw was a result of a genetic condition.”

2. adjective

Characterized by or resembling a prognathus, a type of skull with a projecting jaw.

“The fossil of the ancient species showed a prognathic skull, which was typical of its genus.”