Crossword Genius

Guiding light and energy in sliced meat (6)

Ross

I believe the answer is:

beacon

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'guiding light' is the definition.
(I've seen this in another clue)

'energy in sliced meat' is the wordplay.
'energy' becomes 'AC' (AC is an example).
'in' means one lot of letters goes inside another.
'sliced meat' becomes 'beon' (I can't justify this - if you can you should give a lot more credence to this answer).
'ac' inserted into 'beon' is 'BEACON'.

'and' is the link.

Can you help me to learn more?

(Other definitions for beacon that I've seen before include "Prominent light on a hill" , "warning to others" , "Warning fire or signal" , "Warning light on hill or cliff" , "Shiner" .)

I've seen this clue in The Sun.
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