Nave (3)
I believe the answer is:
hub
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">nave</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for hub that I've seen before include "Centre or axis" , "Centre of wheel" , "Nave of a wheel" , "Central part of a car wheel" , "Wheel's centre" .)