pleura

noun
pleu·​ra | \ˈplu̇r-ə \
plural pleurae\ˈplu̇r-​ˌē, -​ˌī \ or pleuras

Definition of pleura 

: the delicate serous membrane that lines each half of the thorax of mammals and is folded back over the surface of the lung of the same side

Other Words from pleura

pleural \ˈplu̇r-​əl \ adjective

First Known Use of pleura

15th century, in the meaning defined above

History and Etymology for pleura

Middle English, from Medieval Latin, from Greek, rib, side

Keep scrolling for more

Learn More about pleura

Statistics for pleura

Look-up Popularity

Time Traveler for pleura

The first known use of pleura was in the 15th century

See more words from the same century

Keep scrolling for more

More Definitions for pleura

pleura

noun
pleu·​ra | \ˈplu̇r-ə \
plural pleurae\ˈplu̇r-​ē \ or pleuras

Medical Definition of pleura 

: either of a pair of two-walled sacs of serous membrane each of which lines one lateral half of the thorax, has an inner visceral layer closely adherent to the corresponding lung, is reflected at the root of the lung to form a parietal layer that adheres to the walls of the thorax, the pericardium, the upper surface of the diaphragm, and adjacent parts, and contains a small amount of serous fluid that minimizes the friction of respiratory movements

More from Merriam-Webster on pleura

Rhyming Dictionary: Words that rhyme with pleura

Britannica.com: Encyclopedia article about pleura

Comments on pleura

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

WORD OF THE DAY

having a pattern of small flowers

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
True or False

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

TAKE THE QUIZ
SCRABBLE® Sprint

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!