trigeminal [trahy-jem-uh-nl]Anatomy EXAMPLES|WORD ORIGIN adjective of or relating to the trigeminal nerve. noun Also called trigeminal nerve. either one of the fifth pair of cranial nerves, consisting of motor fibers that innervate the muscles of mastication, and of sensory fibers that conduct impulses from the head and face to the brain.

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  • Origin of trigeminal 1820–30; New Latin trigemin(us) (Latin: triple, equivalent to tri- tri- + geminus twin, double) + -al1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for trigeminal Historical Examples of trigeminal

  • The father is neurasthenic, and the grandfather has trigeminal neuralgia.

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  • The anterior margin of the origin is at the point where the mandibular ramus of the trigeminal nerve enters the mandible.

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  • The facial and acoustic nerves and the maxillary and mandibular divisions of the trigeminal are frequently implicated.

    Manual of Surgery Volume Second: Extremities–Head–Neck. Sixth Edition.

    Alexander Miles

  • There is severe pain referred to the distribution of the maxillary division of the trigeminal nerve.

    Manual of Surgery Volume Second: Extremities–Head–Neck. Sixth Edition.

    Alexander Miles

  • Foramina by which the optic, trigeminal and abortio dura, and abducens nerves leave the skull.

    Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 4


  • British Dictionary definitions for trigeminal trigeminal adjective anatomy of or relating to the trigeminal nerve Word Origin for trigeminal C19: from Latin trigeminus triplet, from tri- + geminus twin Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Word Origin and History for trigeminal adj.

    1830, from Latin trigeminus “born in threes;” see tri- + geminate.

    Online Etymology Dictionary, © 2010 Douglas Harper trigeminal in Medicine trigeminal [trī-jĕm′ə-nəl] adj. Of or relating to the trigeminal nerves. The American Heritage® Stedman’s Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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