Dense group of bushes (7)
I believe the answer is:
thicket
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dense group of bushes</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for thicket that I've seen before include "A patch of shrubs and small trees" , "Mass of shrubs and bushes growing close together" , "Dense growth of bushes" , "Coppice" , "Dense mass of trees or shrubs" .)