Lasting mark (4)
I believe the answer is:
scar
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lasting mark</span>' is the definition.<br/ ><span class="explanation-format__explanation">(permanent mark of an injury)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for scar that I've seen before include "reef" , "Fish" , "Disfigure" , "fall could possibly be the reason for one" , "Limestone cliff or outcrop" .)