Boy attendant (4)
I believe the answer is:
page
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">boy attendant</span>' is the definition.<br/ ><span class="explanation-format__explanation">(page can mean a boy servant)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for page that I've seen before include "Kind of leaf, or boy in old court" , "Gentleman dwelling at Windsor" , "Attendant - sheet" , "Youth acting as a knight's attendant" , "Young hotel employee" .)