Lubricant container (6)
I believe the answer is:
oilcan
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lubricant container</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 oilcan that I've seen before include "Vessel for lubricant" , "Lubricator with a long nozzle" , "Vessel for viscous liquid" , "Lubricant applier" , "Lubricant container" .)