Cherry or walnut (4)
I believe the answer is:
wood
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">cherry</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">walnut</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for wood that I've seen before include "Driver, perhaps" , "'Under Milk - - ' (lit.)" , "Material from trees" , "Lots of trees" , "Forest - golf club - biased bowl" .)