'Pleuras' definitions:
Definition of 'Pleuras'
From: GCIDE
- Pleura \Pleu"ra\, n.; pl. L. Pleur[ae], E. Pleuras. [NL., n. fem., fr. Gr. ? a rib, the side.]
- 1. (Anat.) (a) The smooth serous membrane which closely covers the lungs and the adjacent surfaces of the thorax; the pleural membrane. (b) The closed sac formed by the pleural membrane about each lung, or the fold of membrane connecting each lung with the body wall. [1913 Webster]
- 2. (Zool.) Same as Pleuron. [1913 Webster]