Volcano peak (4)
I believe the answer is:
cone
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">volcano peak</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 cone that I've seen before include "Volcano peak" , "Figure (for traffic control?)" , "Hollow object associated with ice cream and motorways" , "may obstruct lane" , "Ice-cream cornet" .)