sciatic notch

noun

Medical Definition of sciatic notch

: either of two notches on the dorsal border of the hip bone on each side that when closed off by ligaments form the corresponding sciatic foramina:
a : a relatively large notch just above the ischial spine that is converted into the greater sciatic foramen by the sacrospinous ligament

called also greater sciatic notch

b : a smaller notch just below the ischial spine that is converted to the lesser sciatic foramen by the sacrospinous ligament and the sacrotuberous ligament

called also lesser sciatic notch

Learn More about sciatic notch

Cite this Entry

“Sciatic notch.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sciatic%20notch. Accessed 20 Jan. 2021.

Comments on sciatic notch

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

WORD OF THE DAY

Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

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!