Crossword Genius

Barrier in dim mall that's abandoned (7)

Ross

I believe the answer is:

milldam

'barrier' is the definition.
(I know that milldam is a type of levee)

'dim mall that's abandoned' is the wordplay.
'that's abandoned' indicates anagramming the letters (the original order is abandoned).
'dim'+'mall'='dimmall'
'dimmall' is an anagram of 'MILLDAM'.

'in' is the link.

(Another definition for milldam that I've seen is " barrier".)

I've seen this clue in The Independent.
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