Membrane around the lungs (6)

I believe the answer is:

pleura

'membrane around the lungs' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for pleura that I've seen before include "Membrane around lung" , "Membrane around the lungs" , "The membrane surrounding the lungs" .)

I've seen this clue in The Irish Times.

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