'Trigeminal' definitions:
Definition of 'trigeminal'
From: WordNet
noun
The main sensory nerve of the face and motor nerve for the muscles of mastication [syn: trigeminal, trigeminal nerve, trigeminus, nervus trigeminus, fifth cranial nerve]
Definition of 'Trigeminal'
From: GCIDE
- Trigeminal \Tri*gem"i*nal\, a. [See Trigeminous.] (Anat.) Of, pertaining to, or designating, the fifth pair of cranial nerves, which divide on each side of the head into three main branches distributed to the orbits, jaws, and parts of the mouth; trifacial. [1913 Webster]