Crossword Genius

Dog or sow had run amok (6)

Ross

I believe the answer is:

shadow

'dog' is the definition.
(thesaurus)

'sow had run amok' is the wordplay.
'run amok' is an anagram indicator.
'sow'+'had'='sowhad'
'sowhad' is an anagram of 'SHADOW'.

'or' acts as a link.

(Other definitions for shadow that I've seen before include "This opposition cabinet parallels the government" , "It's cast by something blocking light" , "Trace - dog" , "Inseparable companion; dark patch" , "Reflected image" .)

I've seen this clue in The Globe and Mail.
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