thoracic cavity

noun
plural thoracic cavities

Definition of thoracic cavity

: the cavity of the thorax (see thorax sense 1) that is bounded below by the diaphragm, is enclosed by the sternum, ribs, and thoracic vertebrae, and that contains the heart and lungs … an inflammation of the thoracic cavity which feels like a burning stiffness of the muscles …— Harold Brodky

First Known Use of thoracic cavity

1779, in the meaning defined above

Learn More About thoracic cavity

Time Traveler for thoracic cavity

Time Traveler

The first known use of thoracic cavity was in 1779

See more words from the same year

Dictionary Entries Near thoracic cavity

thoracical

thoracic cavity

thoracic choke

See More Nearby Entries 

Statistics for thoracic cavity

Cite this Entry

“Thoracic cavity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thoracic%20cavity. Accessed 29 Nov. 2021.

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

More Definitions for thoracic cavity

thoracic cavity

noun

Medical Definition of thoracic cavity

: the division of the body cavity that lies above the diaphragm, is bounded peripherally by the wall of the chest, and contains the heart and lungs

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
True or False

Test your knowledge - and maybe learn something 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!