sciatic nerve

noun

: either of the pair of largest nerves in the body that arise one on each side from the nerve plexus supplying the posterior limb and pelvic region and that pass out of the pelvis and down the back of the thigh

Examples of sciatic nerve in a Sentence

Recent Examples on the Web
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Tanzi's lawyers said in court documents filed last week that their client is morbidly obese and suffers from sciatica, a condition that causes pain along the back's sciatic nerve. Landon Mion, FOXNews.com, 31 Mar. 2025 Depending on the underlying cause, exercise can help improve strength and flexibility and relieve pressure on the sciatic nerve. Aubrey Bailey, Pt, Dpt, Cht, Verywell Health, 14 Mar. 2025 Along with soothing the aches that come from simply sitting too much, pigeon pose can also help folks who live with sciatica—a condition that triggers pain in your sciatic nerve, which travels down each leg from your butt, and is often caused by injury to or pressure on the nerve. Danielle Zickl, SELF, 6 Mar. 2025 Yoga poses that stretch and strengthen the muscles that support the spine can help relieve some of the pressure on the sciatic nerve. Cory Martin, Verywell Health, 3 Feb. 2025 See All Example Sentences for sciatic nerve

Word History

First Known Use

1726, in the meaning defined above

Time Traveler
The first known use of sciatic nerve was in 1726

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Cite this Entry

“Sciatic nerve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sciatic%20nerve. Accessed 21 Apr. 2025.

Kids Definition

sciatic nerve

noun
sī-ˌat-ik-
: a nerve that runs down the back of the thigh and is the largest nerve in the body

Medical Definition

sciatic nerve

noun
: either of the pair of largest nerves in the body that arise one on each side from the sacral plexus and that pass out of the pelvis through the greater sciatic foramen and down the back of the thigh to its lower third where division into the tibial and common peroneal nerves occurs

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