Rubber wheel-covering (4)
I believe the answer is:
tyre
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">rubber wheel-covering</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tyre that I've seen before include "Wheel-hoop" , "Biblical town" , "Seaport once famed for its purple dye" , "Ring made of rubber" , "A spare one may be fat around the middle" .)