Crossword Genius

One dancing in the low-lit breezy night? (6)

Ross

I believe the answer is:

candle

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'one' is the definition.
The definition and answer can be both quantities as well as being singular nouns.
Maybe they are linked in a way I don't understand?

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

Can you help me to learn more?

(Other definitions for candle that I've seen before include "Lanced in light" , "Wax stick with wick" , "It's better to light one than curse the darkness, it's said" , "Check an egg for freshness" , "that's useful if power's cut" .)

I've seen this clue in The Sunday Times and The Times.
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