Man or Wight (4)
I believe the answer is:
isle
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">man</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">wight?</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for isle that I've seen before include "'This scepter'd - - (Shakespeare)" , "Ireland, perhaps" , "Detached territory" , "Land cut off by water" , "Said of Sheppey, Dogs, Wight or Man?" .)