Ease dad out of a lake (7)

I believe the answer is:

deadsea

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'a lake' is the definition.
I know nothing about this answer so I cannot judge whether it can be defined by this definition.

'ease dad out' is the wordplay.
'out' is an anagram indicator (out can mean wrong or inaccurate).
'ease'+'dad'='easedad'
'easedad' is an anagram of 'DEADSEA'.

'of' acts as a link.

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I've seen this clue in The Daily Express.

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