Taxi feature
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">taxi feature</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for meter that I've seen before include "Apparatus for measuring" , "Instrument for measuring quantity" , "Something measuring" , "Measuring device as for electricity usage (5)" , "Device that measures, say, electricity usage" .)