Crossword Genius

The key to get out of prison? (6)

Ross

I believe the answer is:

escape

This clue is a double definition.

'the key' is the first definition.
(key on a keyboard)

'get out of prison?' is the second definition.
(a prisoner might escape)

'to' acts as a link.

(Other definitions for escape that I've seen before include "See cap (anag.)" , "Decamp" , "Leak; avoid" , "Break free from confinement" , "Gain freedom" .)

I've seen this clue in The Times.
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