Jowl (3)
I believe the answer is:
jaw
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">jowl</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for jaw that I've seen before include "Part of the head" , "Talk; bone" , "Chin bone" , "Part of skull" , "It frames the mouth and holds the teeth" .)