Man possibly taken for a ride in the interior (4)

I believe the answer is:

isle

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'man possibly' is the definition.
(Isle of Man is an example)

I don't understand how the rest of the clue works.

(Other definitions for isle that I've seen before include "Man, Wight, etc" , "Land encircled by water" , "''There is an ..., a bonny ...'' (anthem of Shannon RFC)" , "Land amid water" , "Fair ---, knitting style" .)

I've seen this clue in The Independent.

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