Definitions

1. adjective

relating to or designating the trigeminal nerve, a nerve that supplies sensation to the face and motor control to the muscles of mastication.

“The patient’s trigeminus nerve damage caused numbness in her cheek.”

2. noun

the trigeminal nerve.

“The surgeon was able to repair the patient’s trigeminus.”

3. noun

any of the three branches of the trigeminal nerve.

“Each of the patient’s three trigemini had been damaged.”