Saw-toothed
I believe the answer is:
erose
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">saw-toothed</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for erose that I've seen before include "worse for wear" , "nicked irregularly" .)