Crossword Genius

Gallery slats (6)

Ross

I believe the answer is:

louvre

I'm a little stuck... Click here to teach me more about this clue!

'gallery' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for louvre that I've seen before include "Mona Lisa here" , "European museum" , "Art exhibition" , "National art gallery of France, in Paris" , "Slatted ventilation - Paris museum" .)

I've seen this clue in The Mirror.
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