Manx capital (7)
I believe the answer is:
douglas
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">manx capital</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for douglas that I've seen before include "bloke" , "Manx capital" , "IOM town" , "Capital of the Isle of Man" , "place of Man" .)