Arbour (5)
I believe the answer is:
bower
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">arbour</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for bower that I've seen before include "Anchor" , "lady's private room?" , "sanctuary" , "Shady shelter" , "Shaded place under trees" .)