Thin candle (5)

I believe the answer is:
taper
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">thin candle</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 taper that I've seen before include "Gradually become thinner" , "Spill - become narrower towards one end" , "Convex shape that narrows toward a point" , "Tail off; a spill" , "Fall off" .)