Picnic basket (6)
I believe the answer is:
hamper
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">picnic basket</span>' is the definition.<br/ ><span class="explanation-format__explanation">(as in a food hamper)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hamper that I've seen before include "Obstruct with picnic basket" , "Prevent free movement" , "Christmas basket" , "Obstruct or delay with food basket" , "Hinder, impede" .)