Umbilicus (5)
I believe the answer is:
navel
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">umbilicus</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for navel that I've seen before include "Belly button" , "Central point" , "for contemplation" , "Tummy button" , "Umbilicus" .)