Wheel surround (4)
I believe the answer is:
tyre
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wheel surround</span>' is the definition.<br/ ><span class="explanation-format__explanation">(a tyre covers a wheel)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tyre that I've seen before include "Ancient city (made of rubber?)" , "Old Phoenician port" , "Biblical town" , "Wheel covering - Lebanese port" , "Mediterranean city" .)