What's found in Monica's tool shed? (4)

I believe the answer is:

cast

'shed?' is the definition.
(thesaurus)

'what's found in monica's tool' is the wordplay.
'what's found in' indicates a hidden word.
'CAST' is hidden within 'monicas tool'.

(Other definitions for cast that I've seen before include "Selected to play a part" , "Form < > company" , "Shy - group of actors" , "Character" , "Register (a vote)" .)

I've seen this clue in The Independent.

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