designating or of either of the fifth pair of cranial nerves, each of which divides into three branches supplying the head and face
Origin of trigeminal; from Modern Latin trigeminus ; from L, born three together (; from tri-, tri- + geminus, twin) + -al
a trigeminal nerve
Of or relating to the trigeminal nerves; trifacial.
- (anatomy) Of or pertaining to the trigeminal nerve (the fifth cranial nerve).
tri- +"Ž geminal