Boxer or basset
I believe the answer is:
dog
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">boxer</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in other clues)</span><br/ ><br/ >'<span class="explanation-format__original">basset</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for dog that I've seen before include "'Every . . . has its day'" , "Lassie" , "Shadow" , "Domesticated canine" , "Worry" .)