She’s the party type (3)

I believe the answer is:

hen

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'party type' is the definition.
'hen' can be an answer for 'party' (thesaurus). I am not sure about the 'type' bit.

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for hen that I've seen before include "Not cock" , "This party is for women only" , "Insufficient in amount" , "Source of eggs" , "Domestic fowl" .)

I've seen this clue in the Evening Standard.

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