European flagstaff (4)

I believe the answer is:

I believe this clue is a double definition.

'european' is the first definition.
(someone from Poland)

'flagstaff' is the second definition.
(thesaurus)

(Other definitions for pole that I've seen before include "Man from Warsaw" , "Magnet end" , "possibly exerting a powerful attraction?" , "Limit" , "may be magnetic?" .)

I've seen this clue in The Irish Independent and The Telegraph.

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