50% (4)
I believe the answer is:
half
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">50%</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for half that I've seen before include "Short distance - steal!" , "0.5" , "one over a couple" , "Fifty per cent" , "50 per cent" .)