Grain container (4)
I believe the answer is:
silo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">grain container</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for silo that I've seen before include "Storage pit, tower" , "Launch site" , "Storage tower for oils" , "Farm tower" , "Where rockets are launched from" .)