Definitions

1. adjective

relating to or affecting the pleura, the two-layered membrane surrounding the lungs and lining the chest cavity

“The pleural effusion is a common complication in patients with pneumonia.”

2. noun

the pleura, especially when referring to the membrane lining the thoracic cavity

“The pleural fluid was analyzed to determine the cause of the patient’s symptoms.”

3. noun

a pleural cavity or space, especially one containing fluid

“The doctor ordered an X-ray to check for any fluid in the pleural cavity.”