Discharge; relieve (6)
I believe the answer is:
unload
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">discharge</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">relieve</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for unload that I've seen before include "Remove cargo from ship or charge from gun" , "Take goods from (ship)" , "Remove (a gun's ammo)" , "Take cargo off (a ship)" , "Remove goods from (a vehicle or ship)" .)