noun, plural pleu·rae [ploo r-ee] /ˈplʊər i/ for 1.
Anatomy, Zoology. a delicate serous membrane investing each lung in mammals and folded back as a lining of the corresponding side of the thorax.
Origin of pleura
1655–65; < New Latin < Greek pleurá (singular) side, rib
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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Historical Examples of pleurae
British Dictionary definitions for pleurae
noun plural pleurae (ˈplʊəriː)
Derived Formspleural, adjective
the thin transparent serous membrane enveloping the lungs and lining the walls of the thoracic cavity
Word Origin for pleura
C17: via Medieval Latin from Greek: side, rib
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for pleurae
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
n. pl. pleu•rae (plur′ē)
Related formspleu′ral adj.
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.
Plural pleurae (plur′ē)
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.