Crossword Genius

Beauty may have appeal over the phone (5)

Ross

I believe the answer is:

belle

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

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for belle that I've seen before include "-- Epoque, before the Great War" , "Girl who's fetching" , "Beautiful woman - of the ball?" , "Reigning beauty" , "Beautiful girl" .)

I've seen this clue in The Independent.
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