Crossword Genius

Prison fridge? (6)

Ross

I believe the answer is:

cooler

I believe this is a double definition.

'prison' is the first definition.
(informal term for a prison)

'fridge?' is the second definition.
(something which keeps food cool)

(Other definitions for cooler that I've seen before include "It's not so hot" , "Nick" , "Fan" , "more sophisticated" , "less enthusiastic" .)

I've seen this clue in The Times.
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