Organised church spread (5)
I believe the answer is:
ranch
'spread' is the definition.
('ranch' can be a synonym of 'spread')
'organised church' is the wordplay.
'organised' becomes 'ran' (I've seen this before).
'church' becomes 'ch' (common abbreviation**).
'ran'+'ch'='RANCH'
(Other definitions for ranch that I've seen before include "Run a cattle farm" , "North American stock farm" , "Cowboy's workplace" , "agricultural land" , "Agricultural establishment" .)