Pronunciation: (ploor'u), [key]
—pl. pleu•raePronunciation: (ploor'ē) [key] for 1.
1. Anat., Zool.a delicate serous membrane investing each lung in mammals and folded back as a lining of the corresponding side of the thorax.
2. pl. of pleuron.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.