Crossword Genius

Lighting for short stay under canvas, deluxe style? (3,4)

Ross

I believe the answer is:

fog lamp

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'lighting' is the definition.
(type of lamp)

I don't understand how the rest of the clue works.

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(Other definitions for fog lamp that I've seen before include "It improves visibility" , "Bright light used in poor driving conditions" , "Something that's light" , "shines amid the gloom" , "Strong car headlight" .)

I've seen this clue in The Guardian.
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