Chicago Loop trains (3)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">chicago loop trains</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 els that I've seen before include "South African golfer" , "Angular distances above the horizon" , "Ernie - - (golfer)" , "Successful owner of several clubs" , "US urban railways" .)