Solidus (5)
I believe the answer is:
slash
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">solidus</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for slash that I've seen before include "Cut with sweeping strokes" , "Make sharp, long cut" , "Cut as with a sword - /" , "Oblique stroke" , "Cut crudely" .)