sciatic nerve

noun

Definition of sciatic nerve

: 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

Recent Examples of sciatic nerve from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sciatic nerve.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of sciatic nerve

1726

in the meaning defined above

See Words from the same year
NEW! Time Traveler

SCIATIC NERVE Defined for English Language Learners

sciatic nerve

Definition of sciatic nerve for English Language Learners

  • medical : a nerve that goes from the lower back down the back of the leg


Medical Dictionary

sciatic nerve

noun

medical Definition of sciatic nerve

: 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

Learn More about sciatic nerve


Seen and Heard

What made you want to look up sciatic nerve? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

soothing, mild, or foolish

Get Word of the Day daily email!

Test Your Vocabulary

Name More Food!

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!