Europe's highest volcano (4)
I believe the answer is:
etna
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">europe's highest volcano</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 etna that I've seen before include "hotly-tipped runner" , "a mount hotly tipped when it runs" , "Sicilian landmark" , "Italian smoker" , "it may produce steam and ash" .)