Crossword Genius

Deserter's retreat? (7)

Ross

I think it could be either:

Which length description are you looking for?:

7

3,4

rat hole

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'deserter's retreat?' is the definition.
I don't know anything about this answer so I cannot judge whether it can be defined by this definition.

'deserter's retreat?' is the wordplay.
'deserter' becomes 'rat' (both can mean a traitor).
'retreat?' becomes 'hole' (I am not sure about this - if you are sure you should believe this answer much more).
'rat'+'hole'='RAT-HOLE'

Can you help me to learn more?

(Another definition for rat hole that I've seen is " Evidence of vermin".)

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