A bit of overshadowing replicates a lip forming (7,7)

I believe the answer is:

partial eclipse

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'a bit of overshadowing' is the definition.
I can't judge whether this defines the answer.

'replicates a lip forming' is the wordplay.
'forming' indicates anagramming the letters.
'replicates'+'a'+'lip'='replicatesalip'
'replicatesalip' anagrammed gives 'PARTIAL ECLIPSE'.

Can you help me to learn more?

(Other definitions for partial eclipse that I've seen before include "Sun's incomplete coverage" , "Astronomical event" , "perhaps, of ominous event?" , "blockout without full effect" , "incomplete coverage - > seen as ominous by some" .)

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

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