Crossword Genius

Man maybe seduced with no protection from doctor (4)

Ross

I believe the answer is:

isle

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'man maybe' is the definition.
(Isle of Man)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for isle that I've seen before include "Capri or Man, perhaps?" , "eg Thanet" , "Small mass of land in the sea" , "Anglesey, say" , "inch, perhaps" .)

I've seen this clue in The Independent.
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