Pavement edge (4)

I believe the answer is:
kerb
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pavement edge</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for kerb that I've seen before include "Pavement edging" , "Pavement's edge" , "stone by the way" , "Pancakes" , "Stone edging to footpath" .)