- Anatomy, Zoology. a delicate serous membrane investing each lung in mammals and folded back as a lining of the corresponding side of the thorax.
- plural of pleuron.
Origin of pleura
1655–65; < New Latin < Greek pleurá (singular) side, rib
- the lateral plate or plates of a thoracic segment of an insect.
Origin of pleuron
First recorded in 1700–10, pleuron is from the Greek word pleurón rib, (plural) side
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pleura
The pleura and diaphragm also showed a good deal of disease and some adhesion.Cattle and Their Diseases
The pleura may reach as high as the medial border of the rib.
On the 19th January, some liquid appeared in the pleura on the same side.Life of Elie Metchnikoff, 1845-1916
On the left side was a small abscess, under the pleura costalis.
I have occasionally found them free in the cavities of the abdomen and pleura.Parasites
T. Spencer Cobbold
- the thin transparent serous membrane enveloping the lungs and lining the walls of the thoracic cavity
- the plural of pleuron
C17: via Medieval Latin from Greek: side, rib
- the part of the cuticle of arthropods that covers the lateral surface of a body segment
C18: from Greek: side
Word Origin and History for pleura
early 15c., medical Latin, from Greek pleura "side of the body, rib," also "flank of an army, page of a book," of unknown origin.
Online Etymology Dictionary, © 2010 Douglas Harper
- The thin serous membrane that envelops each lung and folds back to make a lining for the chest cavity.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A membrane that encloses each lung and lines the chest cavity.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.