Type of preview (5)
I believe the answer is:
sneak
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">type of preview</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 sneak that I've seen before include "In school, tell tales" , "Prowl" , "peach" , "Slink, skulk; tell tales" , "Creep" .)