Cabs (5)
I believe the answer is:
taxis
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cabs</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for taxis that I've seen before include "return to right place" , "Cars with a driver for hire" , "Cabs" .)