European flag on this? (4)

I believe the answer is:

pole

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This might be a double definition.

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

'flag on this?' is the second definition.
The definition suggests a singular noun which matches the answer.

Can you help me to learn more?

(Other definitions for pole that I've seen before include "'Round rod, of wood say (4)'" , "Wooden rod" , "Man from Warsaw" , "Limit" , "flag-bearer" .)

I've seen this clue in The Times.

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