Crossword Genius

Do on a unified compost? (9)

Ross

I believe the answer is:

bedspread

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

'unified compost?' is the definition.
Although both the answer and definition are singular nouns, I cannot see how they can define each other.

'do on a' is the wordplay.
I cannot quite understand how this works, but
'on' could be 're' ('on' can be mean 'with reference to') and 're' is found in the answer.
'a' is present in the answer.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

(Other definitions for bedspread that I've seen before include "Coverlet" , "Cover" , "Counterpane" .)

I've seen this clue in the Sydney Morning Herald.
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