Hog's sound (5)
I believe the answer is:
grunt
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hog's sound</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for grunt that I've seen before include "(Make the) sound of a pig" , "Oink" , "Beastly sound" , "Talk like a pig" , "Inarticulate sound" .)