Middle figure (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">middle figure</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 mean that I've seen before include "Average; inferior; intend" , "Intend - shabby" , "Import" , "Far from noble" , "Close" .)