Showing results for trigeminal. Search instead for trigeminal-rhizotomy.

trigeminal

American

[trahy-jem-uh-nl] / traɪˈdʒɛm ə nl /

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.

trigeminal British

/ traɪˈdʒɛmɪnəl /

adjective

anatomy of or relating to the trigeminal nerve

"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

Etymology

Origin of trigeminal

1820–30; < New Latin trigemin ( us ) ( Latin: triple, equivalent to tri- tri- + geminus twin, double) + -al ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One was the trigeminal nerve, which carries sensory information from the skin and surface of the head.

From Science Daily • Dec. 18, 2025

She said that she was also diagnosed with trigeminal neuralgia earlier in the year.

From BBC • Jul. 15, 2025

She was battling the chronic pain disorder trigeminal neuralgia.

From New York Times • Mar. 19, 2024

After performing at a 2021 trigeminal neuralgia awareness fundraiser in Chicago, he met people who had been living with TN for 10 or 15 years.

From Los Angeles Times • Apr. 21, 2023

M. protractor quadrati.—The origin is fleshy from the posterior wall of the orbit medial to the foramen of the trigeminal nerve and also medial to the origin of M. pseudotemporalis superficialis.

From Jaw Musculature of the Mourning and White-winged Doves by Merz, Robert L.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023