Crossword clues for the word: PLEURA The word PLEURA has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for PLEURA Showing 1 to 10 of 10 results Clue(s) Chest cavity membrane Ling covering. Lining that keeps the lungs from rubbing against the ribs Lung covering Lung membrane. Lung-covering membrane Mammalian lung membrane Pulmonary membrane Thin lung membrane Thorax membrane