She’s in the pool (5)

I believe the answer is:

kitty

I believe this clue is a double definition.

'she's' is the first definition.

'pool' is the second definition.
('kitty' can be a synonym of 'pool')

'in the' is the link.

(Other definitions for kitty that I've seen before include "Cat; fund of money" , "Pool - puss" , "Pool - 4 down" , "Pool - Katharina?" , "potential winnings" .)

I've seen this clue in the Evening Standard.

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