Redwood or dogwood
I believe the answer is:
tree
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">redwood</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">dogwood</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for tree that I've seen before include "Theme" , "A number" , "Hazel for instance" , "Chestnut or elm?" , "Shoe stretcher" .)