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 trigeminalfrom 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