Turn to ice (6)
I believe the answer is:
freeze
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">turn to ice</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 freeze that I've seen before include "Get very cold" , "Peg" , "Harden into ice" , "Don't move!" , "Stand motionless" .)