The eye socket (5)
I believe the answer is:
orbit
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">the eye socket</span>' is the definition.<br/ ><span class="explanation-format__explanation">('orbit' can be a synonym of 'eye socket')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for orbit that I've seen before include "Circling path" , "Revolve around" , "Planet's course" , "Field of influence" , "Path of a planet or satellite" .)