Tree covering; dog's cry (4)
I believe the answer is:
bark
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">tree covering</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">dog's cry</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for bark that I've seen before include "old vessel" , "Bay" , "Setter's sound" , "Woof" , "Shout gruffly; part of tree" .)