Frosts a cake (4)
I believe the answer is:
ices
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">frosts a cake</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for ices that I've seen before include "Kills (slang) - sweets" , "Frozen desserts" , "Frozen sweets" , "Decorates cake with sugar topping" , "summer refreshment" .)