Crossword Genius

What fat could be dripping? (9)

Ross

I believe the answer is:

saturated

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

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

'what fat could be' is the wordplay.
I cannot really understand how this works, but
'be' could be 'rate' (rating is a kind of being) and 'rate' is found within the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for saturated that I've seen before include "Thoroughly soaked" , "Such fat as may cause disease" , "dripping" , "Sodden" , "Imbued" .)

I've seen this clue in The Telegraph.
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