A young fox (3)
I believe the answer is:
kit
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">a young fox</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 kit that I've seen before include "Set of articles or tools" , "Young stoat" , "Old song 'Pack up your troubles in your old . . . bag'" , "Equipment, clothing" , "Apparatus" .)