Small summerhouse or pavilion (6)
I believe the answer is:
gazebo
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">small summerhouse</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">pavilion</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that gazebo is a type of pavilion)</span><br/ ><br/ ></span>
(Other definitions for gazebo that I've seen before include "outhouse" , "Small summerhouse or open hut" , "Summerhouse - pavilion with view" , "Roofed structure in the garden" , "Garden viewpoint" .)