Land in a spin! (5)

I believe the answer is:

spain

I'm a little stuck... Click here to teach me more about this clue!

'land' is the definition.
(I know that Spain is a land)

'a spin' is the wordplay.
'a spin' anagrams to 'SPAIN'.
But, I am not clear how this is indicated.

'in' is the link.

Can you help me to learn more?

(Other definitions for spain that I've seen before include "Iberian 4" , "Catholic country" , "location of Estoril" , "holiday country" , "Madrid is its capital" .)

I've seen this clue in the Evening Standard.

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