Jack pukes in the Middle Temple's central area (5)

I believe the answer is:

knave

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'jack' is the definition.
(knave can mean a jack playing card)

'pukes in the middle temple's central area' is the wordplay.
'pukes in the middle temple's central' becomes 'k' (I am not sure about this - if you are sure you should believe this answer much more).
'area' becomes 'nave' (nave is a kind of area).
'k'+'nave'='KNAVE'

Can you help me to learn more?

(Other definitions for knave that I've seen before include "Villain - jack" , "Jack (in playing cards)" , "Jack - rogue" , "Dishonest man; jack" , "Jack (card); base fellow" .)

I've seen this clue in The Independent.

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