Two-wheeled horse-drawn vehicle (7)
I believe the answer is:
chariot
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">two-wheeled horse-drawn vehicle</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 chariot that I've seen before include "former military vehicle" , "Haricot (anag)" , "Two-wheeled carriage of ancient times, as used by Ben Hur" , "Two-wheeled horse-drawn vehicle used in battle" , "'Two-wheeled, horse-drawn vehicle (7)'" .)