adj. Of or pertaining to the trigeminal nerve (the fifth cranial nerve).
the GNU version of the Collaborative International Dictionary of English
adj. 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.
The Century Dictionary and Cyclopedia
In anatomy and zoöl, triple, triune, or threefold: specifically noting the trifacial or fifth cranial nerve (which see, under trifacial). Also trigeminous.
Of or pertaining to the trigeminal nerve: as, a trigeminal foramen.
n. The trigeminal nerve; the trigeminus. See trifacial.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the main sensory nerve of the face and motor nerve for the muscles of mastication
Word Usage
"Another painful condition that can affect the head and face is called trigeminal neuralgia TN; also called tic douloureux."