A bower (6)
I believe the answer is:
arbour
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">a bower</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for arbour that I've seen before include "Secluded garden alcove" , "Shady place among trees is in garden" , "'Bower, pergola (6)'" , "Shady alcove; bower" , "Shady garden roofed by trees" .)