Overcast sky conceals headland (10)

I believe the answer is:

cloudscape

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'overcast sky' is the definition.
The definition suggests a singular noun which matches the answer.

'conceals headland' is the wordplay.
'conceals' becomes 'clouds' (clouding is a kind of concealing).
'headland' becomes 'cape' (I've seen this before).
'clouds'+'cape'='CLOUDSCAPE'

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I've seen this clue in The Daily Express.

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