Vet (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">vet</span>' is the definition.<br/ ><span class="explanation-format__explanation">(both can mean to check or investigate)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for screen that I've seen before include "Set of foldable hinged panels" , "Movable partitions" , "Upright partition" , "TV surface" , "Room partition; vet" .)