- pl. -·rae the thin serous membrane that covers a lung and lines the chest cavity in mammals
- pl. of pleuron
Origin of pleuraMedieval Latin from Gr, rib, side
A thin serous membrane in mammals that envelops each lung and folds back to make a lining for the chest cavity.
Origin of pleuraMiddle English from Medieval Latin from Greek side, rib
Plural of pleuron
Ancient Greek Ï€Î»ÎµÏ…ÏÎ¬ (pleura, “a rib, a side of something").