• WordNet 3.6
    • n trigeminus the main sensory nerve of the face and motor nerve for the muscles of mastication
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Century Dictionary and Cyclopedia
    • n trigeminus In zoology and anatomy, the trifacial nerve. See trifacial.
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Chambers's Twentieth Century Dictionary
    • n Trigeminus the trifacial nerve
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In literature:

In Brazil Elaps lemniscatus is copied by Oxyrhopus trigeminus, both having black rings disposed in threes.
"Contributions to the Theory of Natural Selection" by Alfred Russel Wallace