serratus

noun
ser·​ra·​tus | \ se-ˈrāt-əs How to pronounce serratus (audio) \
plural serrati\ -​ˈrā-​ˌtī How to pronounce serratus (audio) \

Medical Definition of serratus

: any of three muscles of the thorax that have complex origins but arise chiefly from the ribs or vertebrae:

Learn More about serratus

Cite this Entry

“Serratus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/serratus. Accessed 14 Apr. 2021.

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

Comments on serratus

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

WORD OF THE DAY

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

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!