Litter of pigs (6)
I believe the answer is:
farrow
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">litter of pigs</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for farrow that I've seen before include "Produce piglets" , "Litter - very much on bank?" , "Actress" , "Little piggies" , "Give birth to piglets" .)