Small summerhouse for shade (6)
I believe the answer is:
gazebo
'small summerhouse for shade' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for gazebo that I've seen before include "Small garden house with a view" , "Summerhouse with a good view" , "Small garden building for shade and rest" , "Summerhouse with views" , "outhouse" .)