Funnel (6)
I believe the answer is:
hopper
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">funnel</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hopper that I've seen before include "Insect that jumps, maybe on grass" , "Kentish farm" , "Funnel (eg, feeding grain to mill)" , "Jumper on one foot" , "skipper" .)