Trip segment (3)
I believe the answer is:
leg
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">trip segment</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for leg that I've seen before include "prop" , "Gigot" , "Run < on" , "Limb; stage" , "Projecting support for chair or table" .)