Stare initially behind and round summerhouse? (6)
I believe the answer is:
gazebo
'summerhouse?' is the definition.
(I know that summerhouse can be written as gazebo)
'stare initially behind and round' is the wordplay.
'stare' becomes 'gaze' (synonyms).
'initially' suggests taking the first letters.
'and' is a charade indicator (letters next to each other).
'round' becomes 'o' (o is a circular letter).
The first letter of 'behind' is 'b'.
'gaze'+'b'+'o'='GAZEBO'
(Other definitions for gazebo that I've seen before include "Type of summerhouse" , "Summerhouse with views" , "garden feature" , "Belvedere" , "Kind of garden summerhouse with wide view" .)