SINCE 1828
dictionary
thesaurus
view recents

sacral hiatus

noun
Save Word

Medical Definition of sacral hiatus

: the opening into the spinal canal in the midline of the dorsal surface of the sacrum between the laminae of the fifth sacral vertebra

Learn More About sacral hiatus

Dictionary Entries Near sacral hiatus

sacral foramen

sacral hiatus

sacral index

See More Nearby Entries 

Cite this Entry

“Sacral hiatus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sacral%20hiatus. Accessed 17 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

perpetuity

Listen to the pronunciation of perpetuity

See Definitions and Examples »

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!

Words at Play
Ask the Editors
Word Games