Pig's pad (3)
I believe the answer is:
sty
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pig's pad</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sty that I've seen before include "Pig-pen and infection on the eyelid" , "Swinish place" , "Eye ailment or pig's home" , "Pig home or eye sore" , "Pig's enclosure" .)