Residue or remains (5)
I believe the answer is:
dregs
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">residue</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">remains</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for dregs that I've seen before include "Leftover drink, sediment" , "Most worthless parts" , "Sediment at the bottom of a liquid" , "Sediment - rabble" , "Residue, lees" .)